The given number 0.21676 has to be round off to get three significant figures. 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 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

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Answer 2

Question

Chapter 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

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Answer 3

Question

Chapter 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

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Answer 4

Question

Chapter 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

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Answer 5

Chapter 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 6

Chapter 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 3, Problem 3.2P

(a)

Interpretation Introduction

Interpretation:

The given number 0.21676 has to be round off to get three significant figures.

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 given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 9

(b)

Interpretation Introduction

Interpretation:

The given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 10

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 11

(c)

Interpretation Introduction

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 12

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 13

(d)

Interpretation Introduction

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Answer 14

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Answer 15

Expert Solution & Answer

Answer 16

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Answer 17

Ch. 3 - Prob. 3.1P Ch. 3 - Prob. 3.2P Ch. 3 - Prob. 3.3P Ch. 3 - Prob. 3.4P Ch. 3 - Prob. 3.5P Ch. 3 - Prob. 3.6P Ch. 3 - Prob. 3.7P Ch. 3 - Prob. 3.8P Ch. 3 - Prob. 3.10P Ch. 3 - Prob. 3.11P

Concept explainers

Videos

Interpretation:

The given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

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Chapter 3 Solutions

Concept explainers

Videos

Interpretation: The given number 0.216 5 has to be round off to get three significant figures. Concept Introduction: Refer part (a).

Interpretation: The given number 0.216 500 3 has to be round off to get three significant figures. Concept Introduction: Refer part (a).

Interpretation: The given number 0.216 49 has to be round off to get three significant figures. Concept Introduction: Refer part (a).

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Chapter 3 Solutions

Interpretation:

The given number 0.216 5 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Interpretation:

The given number 0.216 500 3 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).

Interpretation:

The given number 0.216 49 has to be round off to get three significant figures.

Concept Introduction:

Refer part (a).