#### Answer

$\sqrt{55xy}$

#### Work Step by Step

RECALL:
For nonegative numbers a and b,
$\sqrt[n]{a} \cdot \sqrt[n]{b} = \sqrt[n]{ab}$
Use the rule above to obtain:
$=\sqrt{5x\cdot 11y}
\\=\sqrt{55xy}$

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

$\sqrt{55xy}$

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