Answer
a. $2^{2}$
b. $2^{4+(-2)}$ = $2^{4-2}$
Work Step by Step
The expression uses the exponents law for adding the exponents when the base is the same.
$2^{4}$ $\times$ $2^{-2}$ = $2^{4-2}$ = $2^{2}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - Concept Byte - Page 424: 13
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