Question

please help (-8) ^{-4}

Answer 1

$(-8)^{-4}\\----------\\Use:\ a^{-n}=\frac{1}{a^n}\\-----------\\(-8)^{-4}=\frac{1}{(-8)^4}=\frac{1}{8^4}=\boxed{\frac{1}{4,096}}$

Answer 2

$(-8)^{-4} = \frac{1}{(-8)^{4}} = \frac{1}{4096}$