Question
Simplify the exponential form: $(-4)^{-3} \times(5)^{-3} \times(-5)^{-3}$
✓
Answer
$(-4)^{-3} \times(5)^{-3} \times(-5)^{-3}$
= $[(-4) \times 5 \times(-5)]^{-3}=[100]^{-3}=\frac{1}{100^{3}}$
= $[(-4) \times 5 \times(-5)]^{-3}=[100]^{-3}=\frac{1}{100^{3}}$
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