Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 7 - Exponents and Exponential Functions - Common Core Cumulative Standards Review - Selected Response - Page 482: 24

Answer

248,605,924

Work Step by Step

Population at 1990 = X Population at 2000 = Y = 281,421,906 The increase in population from 1990 to 2020 is 13.2%: X + $\frac{132}{1000}$ $\times$ X = Y $\frac{1132}{1000}$ $\times$ X = Y = 281,421,906 Therefore, X = Y $\div$ 1.132 = 248,605,924
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