#### Answer

$2\sqrt[5] 4$

#### Work Step by Step

$\sqrt[5] 128=\sqrt[5] (32\times4)=\sqrt[5] 32\times\sqrt[5] 4=2\sqrt[5] 4$
We know that $\sqrt[5] 32=2$, because $2^{5}=32$.

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$2\sqrt[5] 4$

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