Chapter 2, Problem 20Q

Summary Introduction

To explain:

The difference in the results when a meter is multiplied with ${10}^9$ and ${10}^{-}{}^9$ to obtain gigameter and nanometer

Concept introduction:

Metric system is also called as the decimal system of measurement. Now, it is known as SI unit (International System of Unit). Scientists have adopted the metric system as the most common system of measurement of lengths and weights.