Chapter 16, Problem 81AP

Interpretation Introduction

Interpretation: Interpretation: The number of significant figures in a number and in the logarithm of that number should be compared.

Concept Introduction:

For writing significant figures, following rules should be followed:

1. Every non-zero digits are significant. For example, the number 2356 has 4 significant figures.

2. Any zero between two non-zero digits are significant. For example, the number 205 has 3 significant figures.

3. The trailing zeros after the decimal are significant. For example, 0.450 has 3 significant figures, 100 has 1 significant figure and 0.025 has 2 significant figures.