## Algebra 1

Published by Prentice Hall

# Chapter 7 - Exponents and Exponential Functions - Cumulative Test Prep - Multiple Choice - Page 469: 7

C

#### Work Step by Step

1 light year = $5.9 * 10^{12}$ miles per year 3 months = .25 year $.25*5.9*10^{12} = 1.475 *10^{12}$ $1.475 *10^{12}$ rounds to $1.5*10^{12}$ miles in 3 months

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