CPM Homework Help : INT3 Problem 4-109

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4-109.

Solve each equation below for $x$ .

$5^x=5^{-3}$
Hint (a) - (d):
Look for common bases.

$6^x=216$
Answer (b):
$x = 3$

$7^x=\frac{1}{49}$
Answer (c):
$x=-2$

$10^x=0.001$

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