#### Answer

$\sqrt{7}$

#### Work Step by Step

RECALL:
$\sqrt[n]{a^m} = a^{\frac{m}{n}}.$
Use the rule above to obtain
$7^{\frac{2}{4}}
\\=7^{\frac{1}{2}}.$
Write in radical form using the rule above to obtain
$\sqrt{7}.$

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$\sqrt{7}$

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