Simplify.
-$$\left( \frac { 2 } { b ^ { - 4 } } \right) ^ { 5 }$$
A) $\frac { 32 } { b ^ { 20 } }$
B) $\frac { \mathrm { b } ^ { 20 } } { 32 }$
C) $\frac { 1 } { 32 b ^ { 20 } }$
D) $32 \mathrm {~b} ^ { 20 }$

Question

Quizplus · Accepted Answer

The expression simplifies to $ \left( 2 \cdot b^4 \right)^5 = 2^5 \cdot (b^4)^5 = 32 \cdot b^{20} = 32b^{20} $.

Simplify - (2b−4)5\left( \frac { 2 } { b ^ { - 4 } } \right) ^ { 5 }(b−42​)5

Simplify
- $\left( \frac { 2 } { b ^ { - 4 } } \right) ^ { 5 }$