CPM Homework Help : PC3 Problem 1-57

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1-57.

Rewrite each expression below using the properties of exponents.

$(5a^{-2})^2$
Step (a):
$\Big(\frac{5}{a^2}\Big)\Big(\frac{5}{a^2}\Big)$

$(m^{-1}n^{-2})^3$
Step (b):
$\Big(\frac{1}{mn^2}\Big)\Big(\frac{1}{mn^2}\Big)\Big(\frac{1}{mn^2}\Big)$

$(2x^{-1})^2(2x^0)$
Step (c):
$\Big(\frac{2}{x}\Big)\Big(\frac{2}{x}\Big)(2(1))$

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