Question

(-2)^-3 without exponent

Answer 1

-1/8

Explanation:

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

Answer 2

-1/8

Explanation:

`(-2)^-3 \\=(-1)/(2)^(3)\\=(-1)/(8)`