Resposta:
Explicação passo-a-passo:
9^-3=
(1/9)^3=
1/729
(-3)^-2=
(-1/3)^2=
1/9
(3/2)^-3=
(2/3)^3=
8/27
(1/2)^-4=
(2/1)^4=
16/1=
16
