Answer
$2\sqrt 15$
Work Step by Step
$\sqrt 60=\sqrt (4\times15)=\sqrt 4\times\sqrt 15=2\sqrt 15$
We know that $\sqrt 4=2$, because $2^{2}=4$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Review - Page 469: 63
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