Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-3 Multipying Powers with the Same Base - Practice and Problem-Solving Exercises: 65

Answer

$81$

Work Step by Step

$a^m \cdot a^n = a^{m+n}$ Use the rule above to obtain: $=3^{x+(2-x)+2} \\=3^{(x-x+2+2)} \\=3^{0+4} \\=3^4 \\=3(3)(3)(3) \\=81$
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