Explicação passo-a-passo:
8) (1/10).(1/10). (1/10).(1/10). (1/10). (1/10) =1/1000.000
9)
A) (1/5). (1/5) = 1/25
B) (1/4).(1/4).(1/4)=1/64
C) (2/6)
D) (3/4).(3/4).(3/4)=27/64
E) (2/10).(2/10= 4/100
F) (1/-4).(1/-4)= 1/16
