Question

Determine as potências

A)0,3)^-4=

B)4/5^-3=

C)2^-7=

Answer 1

A)0,3)^-4= (3/10)-⁴ = (10/3)⁴ = 10000/81

B)4/5^-3= (5/4)³ = 125/64

C)2^-7= 1/2⁷ = 1/128