Question

(-2)^-3 without exponent

Answer 1

Answer:

-1/8

Step-by-step explanation:

$\left(-2\right)^{-3}\\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}\\\left(-2\right)^{-3}=\frac{1}{\left(-2\right)^3}\\\\=\frac{1}{\left(-2\right)^3}\\\\\left(-2\right)^3=-8\\\\=\frac{1}{-8}\\\\=-\frac{1}{8} \\\\\left(\mathrm{Decimal:\quad }\:-0.125\right)$

Answer 2

Answer:

-1/8

Step-by-step explanation:

$(-2)^-3 \\=\frac{-1}{2}^{3}\\=\frac{-1}{8}$