#### Answer

a)$2$
b)$-2$
c)$\frac{1}{3}$

#### Work Step by Step

a)$16^{\frac{1}{4}}=\sqrt[4] {16}=2$
b)$-8^{\frac{1}{3}}=\sqrt[3] {-8}=-2$
c)$9^{-1/2}=\frac{1}{9^{1/2}}=\frac{1}{\sqrt 9}=\frac{1}{3}$

Published by
Brooks Cole

ISBN 10:
1305071751

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

a)$2$
b)$-2$
c)$\frac{1}{3}$

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