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: 68



Work Step by Step

$3^{x}=27^{4}$ $3^{x}=(3^{3})^{4}$ (since $3^{3}=27$) $3^{x}=3^{12}$ (since $(a^{b})^{c}=a^{bc}$) $x=12$.
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