CPM Homework Help : A2C Problem 3-99

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3-99.

Show two steps to simplify each of the following expressions, and then calculate the value of each expression.

$64^{2/3}$
Hint (a):
$\left(64^{1/3}\right)^2$
Answer (a):
$4^2$
$16$

$25^{5/2}$
Hint (b):
See part (a).

$81^{7/4}$
Hint (c):
See part (a).

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