Chapter L.3, Problem 2RC

Interpretation Introduction

Interpretation: The correct number of significant figure to be obtained.

Concept introduction:

Scientific notation expression: A number is expressed as the product of two numbers: ${\text{N×10}}^{\text{n}}{\text{,where N is the digit term, 10}}^{\text{n}}\text{ is the exponential term}\text{.}$

Significant of zeroes:

1. 1. Zeroes between two other significant digits are significant.
2. 2. Zeroes to the right of a nonzero number, and also to the right of decimal place, are significant.
3. 3. Zeroes that are placeholders are not significant.