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 - 7-3 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 438: 71

Answer

$x=4$

Work Step by Step

$3^{2x}=9^{4}$ $3^{2x}=(3^{2})^{4}$ $3^{2x}=(3^{8})$ (since $(a^{b})^{c}=a^{bc}$) $2x=8$ $x=4$
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