Question

Calcular a expressão:   (-1)^0  +  (-6)  :  (-2) - 2^4=



Como calcular -2^-3

Answer 1

1)

$\\(-1)^0+\frac{-6}{-2}-2^4=\\\\1+(+3)-16=\\\\1+3-16=\\\\\boxed{-12}$

2)

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