Question

8^n:4=128

Answer 1

`8^n : 4=128`

`=> 8^n= 128*4`

`=> 8^n=512`

`=> 8^n=8^3`

`=>n=3`

Vậy `n=3`

Answer 2

8ⁿ : 4 = 128

8ⁿ = 128 . 4

8ⁿ = 512

8ⁿ = 8³

n = 3