## Introductory Algebra for College Students (7th Edition)

Published by Pearson

# Chapter 5 - Section 5.7 - Negative Exponents and Scientific Notation - Exercise Set - Page 409: 93

#### Answer

$2.2\times10^8$

#### Work Step by Step

Using $a\times10^n$, where $1\le a\le9,$ and $n$ is an integer, the scientific notation of the given expression, $220 000 000 ,$ is \begin{array}{l}\require{cancel} 2.20 000 000 \times100,000,000 \\\\= 2.20 000 000\times10^8 \\\\= 2.2\times10^8 .\end{array}

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