#### Answer

$2\sqrt {15}$

#### Work Step by Step

$\sqrt {60}=\sqrt {4\times15}=\sqrt 4\sqrt {15}=2\sqrt {15}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$2\sqrt {15}$

$\sqrt {60}=\sqrt {4\times15}=\sqrt 4\sqrt {15}=2\sqrt {15}$

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