CPM Homework Help : PC3 Problem 4-34

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4-34.

Evaluate each of the following expressions without a calculator.

$125^{1/3}$
Step (a):
$\sqrt[3]{125}$

$125^{2/3}$
Step (b):
$\sqrt[3]{125}^2$

$125^{-2/3}$
Hint (c):
This is the reciprocal of the answer to part (b). Why?

$-125^{2/3}$
Hint (d):
This is the opposite of the answer to part (b). Why?

Compute without a calculator

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