CPM Homework Help : INT2 Problem 9-34

Simplify each of the following expressions. Be sure that your answer has no negative or fractional exponents.

$\left(\frac{1}{16}\right)^{-1/4}$
Step (a):
$(16)^{1/4}$
More Help (a):
$\sqrt[4]{16}$

$x^{-1}y^{-3}$
Hint (b):
The negative exponents mean you will be writing the reciprocals of the factors.
Answer (b):
$\frac{1}{xy^3}$