EBK EXPLORING CHEMICAL ANALYSIS
EBK EXPLORING CHEMICAL ANALYSIS
5th Edition
ISBN: 9781319416942
Author: Harris
Publisher: VST
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Chapter 3, Problem 3.3P

(a)

Interpretation Introduction

Interpretation:

The significant figures of given number 0.3050 has to be indicated.

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 of given number 0.003050 has to be indicated.

Concept Introduction:

Refer part (a).

(c)

Interpretation Introduction

Interpretation:

The significant figures of given number 1.003×104 has to be indicated.

Concept Introduction:

Refer part (a).

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