Question

quanto fica 8³ : 4³ ???

Answer 1

8³ : 4³

8³ = (2³)³  = 2 ^9

4³ = (2²)³ = 2^6

2³ = 8
 

Answer 2

8^3 = (2^3)^3 = 2^9
4^3 = (2^2)^3 = 2^6
Logo
2^9/2^6 = 2^(9-3) 'conserva a base e diminui os expoentes'
2^3= 8