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 - 7-2 Multiplying Powers With the Same Base - Practice and Problem-Solving Exercises: 47


The answer is 81 or $3^{4}$

Work Step by Step

To solve this = $3^{x}$$\times$$3^{2-x}$$\times$$3^{2}$. --> same base add all exponents = $3^{x+(2-x)+(2)}$ = $3^{x+2-x+2}$ = $3^{2+2}$ = $3^{4}$ or 81
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