Answer
16
Work Step by Step
$4^{2}$ is the same as $4\times4$, which equals 16.
When you square a number, you are multiplying a number by itself.
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 1 - Tools of Geometry - Get Ready! - Page 1: 2
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