#### Answer

$2z^{2}\sqrt[4] {z}$

#### Work Step by Step

$\sqrt[4] {16z^{9}}=\sqrt[4] {16}\sqrt[4] {z^{8}}\sqrt[4] {z}=2z^{2}\sqrt[4] {z}$

Published by
Pearson

ISBN 10:
0321726391

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

$2z^{2}\sqrt[4] {z}$

$\sqrt[4] {16z^{9}}=\sqrt[4] {16}\sqrt[4] {z^{8}}\sqrt[4] {z}=2z^{2}\sqrt[4] {z}$

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