Resposta:
Explicação passo a passo:
a) (3/4)^2 = 9/16
b) (5/6)^2 = 25/36
c) (2/3)^4 = 16/81
d) (1/5)^3 = 1/125
e)(13/15)^2 = 169/225
f) (1/8)^2 = 1/64
