#### Answer

$4$

#### Work Step by Step

In order to find the square root of a number $n$, we must find another number whose square is $n$. In this example, we want to find the square root of $16$. Since $4^2=4\times4=16$, $4$ is the square root of $16$.

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Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

$4$

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