Question

Calcule as potencias
a) (-1)elevado a 5
b) 3 elevado a 4
c)-(-2)elevado a 2

Answer 1

$a) {( - 1)}^{5} = - 1 \\ b) {3}^{4} = 81 \\ c) - ( { - 2)}^{2} = - 4$