Evaluate the expression.
-$\frac { 3 ^ { - 9 } } { 3 ^ { - 2 } }$
A)2187
B) $- \frac { 1 } { 2187 }$
C)-2187
D) $\frac { 1 } { 2187 }$

Name: Evaluate the expression. -$\frac { 3 ^ { - 9 } } { 3 ^ { - 2 } }$ A)2187 B) $- \frac { 1 } { 2187 }$ C)-2187 D) $\frac { 1 } { 2187 }$
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Question

Quizplus · Accepted Answer

Using the laws of exponents, $\frac{3^{-9}}{3^{-2}} = 3^{-9-(-2)} = 3^{-7} = \frac{1}{3^7} = \frac{1}{2187}$.

Evaluate the Expression 3−93−2\frac { 3 ^ { - 9 } } { 3 ^ { - 2 } }3−23−9​

Evaluate the Expression $\frac { 3 ^ { - 9 } } { 3 ^ { - 2 } }$