Question

1) Calcule o valor das potências
a) (-2)^0
b) -2^-2
c) (-2)^-3
d) -(1/5)^-2
e) (1/3)^-2
f) (-3)^4
g) (2/3)^2
h) (-3/4)^-1

Answer 1

a) (-2)^0 = 1
b) -2^-2 = 1/4
c) (-2)^-3 = -1/8
d) -(1/5)^-2 = -25
e) (1/3)^-2 = 9
f) (-3)^4 = 81
g) (2/3)^2 = 4/9
h) (-3/4)^-1 = -4/3