The significant figures for the given measurement have to be determined. Concept introduction: Significant figures: The digits having a meaning in a given number are called as significant figures. Significant figures – calculation rules Significant figure is a non-zero number (4443.2 has five significant figures) Zeros placement in between non-zero number are significant figures (40005 has five significant figures). Zeros before the non-zero number are not significant number (0.00040005 has five significant figures). Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures). Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

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Answer 1

Question

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

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Answer 2

Question

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

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Answer 3

Question

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

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Answer 4

Question

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

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Answer 5

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 6

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 7

Chapter 1.6, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 14

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 15

(e)

Interpretation Introduction

Interpretation:

The significant figures for the given measurement have to be determined.

Concept introduction:

Significant figures: The digits having a meaning in a given number are called as significant figures.

Significant figures – calculation rules

Significant figure is a non-zero number (4443.2 has five significant figures)

Zeros placement in between non-zero number are significant figures (40005 has five significant figures).

Zeros before the non-zero number are not significant number (0.00040005 has five significant figures).

Zeros after the non-zero number are significant in case of that number contains decimal point (4.5000 has five significant figures).

Zeros after the non-zero number may or may not be a significant figure in case of that number does not have a decimal point (500 may have 1, 2 or 3 significant figures). In this cases use scientific notation to avoid ambiguity.

Answer 16

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Answer 19

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