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8- (10)-2=1:(10)2=1/100
b- (9)-2=1:(9)2=1/81
c- (-5)-3+1/(-5)3=1/-125=-1/125
d- 1:(9/30)2. 1:(9/30)2= 1:81/900=900/81 x 900/81=810000/6561
e- (2/4)4.(2/4)4=16/256.16/256=256/65536
f- (-7)3.(-7)3=343.343=117.649
g- (3)3=27
h- (-9)0=1 todo numeros elevado a zero = 1
faça alguns pra trinar ok
i-
b- (9)-2=1:(9)2=1/81
c- (-5)-3+1/(-5)3=1/-125=-1/125
d- 1:(9/30)2. 1:(9/30)2= 1:81/900=900/81 x 900/81=810000/6561
e- (2/4)4.(2/4)4=16/256.16/256=256/65536
f- (-7)3.(-7)3=343.343=117.649
g- (3)3=27
h- (-9)0=1 todo numeros elevado a zero = 1
faça alguns pra trinar ok
i-
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