Answer
$(-2)^{4} -7 = 9$
Work Step by Step
1. Complete the exponents first
2. Then subtract the values
$= (-2)^{4} -7$
$ = [(-2) \times (-2) \times (-2) \times (-2)] - 7$
$= [4 \times 4] - 7$
$= 16 - 7$
$= 9$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises - Page 654: 12
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