Question

Me ajudem
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Answer 1

Resposta:

1-

(4/5)^2=16/25

4^2/5=26/5

(-3/10)^2=9/100

(-9/8)^2=81/56

2-

7^-2=(1/7)^2=1/49

(5/7)^-2=(7/5)^2=49/25

(2/3)^-4=(3/2)^4=8/16

5^-3=(1/5)^3=1/125

(2/3)^-3=(3/2)^3=27/8