Answer
4
Work Step by Step
$4^{2}$ = 4 x 4 = 16
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 1 - Whole Numbers - Review Exercises - Page 106: 99
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