CPM Homework Help : INT3 Problem 3-80

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3-80.

Rewrite each expression with no parentheses and no negative exponents.

$(p^{-4}w^{-8})^{-9}$
Answer (a):
$p^{-4(-9)}w^{-8(-9)}$
$p^{36}w^{72}$

$r^{-7}(r^{-3/2})^8$
Hint (b):
See part (a).

$6 ( \sqrt [ 7 ] { 6 } ) ^ { 5 }$
Step 1 (c):
Rewrite $\sqrt[7]{6}$ as $6^{1/7}$
Step 2 (c):
$6^1(6^{1/7})^{5}$
Step 3 (c):
$6^{7/7}(6^{5/7})$
Answer (c):
$6^{12/7}$

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