## Algebra 1

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - 7-2 Scientific Notation - Lesson Check - Page 423: 6

#### Answer

$\{5\times10^{-3},7\times10^{-1},3\times10^{0},2\times10^4\}$

#### Work Step by Step

To order numbers in scientific notation, we first must write each number in scientific notation. $\{5\times10^{-3},2\times10^4,3\times10^{0},7\times10^{-1}\}$ Then, we order the numbers first by their powers of $10$. For numbers with the same power of $10$, we arrange them by their decimal parts. $\{5\times10^{-3},7\times10^{-1},3\times10^{0},2\times10^4\}$

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