Answer
F) $3a^2\sqrt{5a}$
Work Step by Step
To simplify a square root, factor out the perfect squares, then find the square root of those perfect squares.
$\sqrt{45a^5}=\sqrt{9\times5\times\ a^4\times a}=3a^2\sqrt{5a}$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Entry-Level Assessment - Page xxxix: 12
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