Question

Calcule as potências:
a) (1/3)3=
b) (2/7)-3=
c) (-2)-2=
d) 3-3=

Answer 1

Explicação passo-a-passo:

a) (1/3)³= 1/27

b) (2/7)-³= (7/2)³= 343/8

c) (-2)-²= (- 1/2)²= +1/4

d) 3-³= (1/3)³= 1/27