Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Entry-Level Assessment: 12

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. $\sqrt{45a^5}=\sqrt{9\times5\times\ a^4\times a}=3a^2\sqrt{5a}$
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