Answer
4 $\sqrt 5$
Work Step by Step
Simplify $\sqrt 80$:
$\sqrt 80$-factor out the term-
$\sqrt {16*5}$
$\sqrt {16}$ $\times$ $\sqrt 5$ -simplify-
4 $\times$ $\sqrt 5$ -multiply-
=4 $\sqrt 5$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 10 - Radical Expressions and Equations - Mid-Chapter Quiz - Page 632: 12
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