Approximation with Small Numbers

Approximation with Small Numbers
Introduction

Approximation means finding a value that is close to the exact answer. Sometimes, numbers written with powers of 10 are difficult to compare or calculate with, so we us...

Joe is reading his textbook and learns that the thickness of a single hair strand is about 0.000072 meters.

To simplify this value, Joe decides to approximate it and write it as the product of one digit and a power of 10.

First, he identifies the first non-zero digit, which is 7.

The digit right after it is 2. Since 2 is less t...