CPM Homework Help : CCA2S Problem 3-12

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3-12.

Simplifica las siguientes expresiones sin usar una calculadora.

$25^{-1/2}$
Pista (a):
$\frac{1 }{ \sqrt{ 25 } }$
Respuesta (a):
$\frac{ 1 }{ 5}$

$( \frac { 1 } { 27 } ) ^ { - 1 / 3 }$
Pista (b):
$\left(\frac{1}{27}\right)^{-\frac{1}{3}}=27^{\frac{1}{3}}=\sqrt[3]{27}$
Respuesta (b):
$3$

$9^{3/2}$
Pista (c):
$\left(9^{\frac{1}{2}}\right)^{3}=?$

$16^{-3/4}$
Pista (d):
$\left(16^{\frac{1}{4}}\right)^{-3}=?$

Compute without a calculator

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