#### Answer

The missing power is 2/3.

#### Work Step by Step

By law 1: a$^{m}$ $\times$ a$^{n}$= a$^{n+m}$
So we have: 5$^{1/3}$ $\times$ 5$^{2/3}$= 5$^{\frac{1}{3}+ \frac{2}{3}}$ = 5$^{3/3}$ = 5.

Published by
Brooks Cole

ISBN 10:
1305071751

ISBN 13:
978-1-30507-175-9

The missing power is 2/3.

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