Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 10 - Area - Get Ready! - Page 611: 1

Answer

$9$

Work Step by Step

When we square a number, we are multiplying the number by itself. In order to simplify $3^2$, we must multiply $3$ by itself. $3\times3=9$.
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