Question

Só a letra B msm......​

Answer 1

b) 3 ^ - 4 = (1)⁴ 1 . 1 . 1 . 1 1

--- = -------------- = ---

(3)⁴ 3 . 3 . 3 . 3 81

Answer 2

Resposta:

Explicação passo a passo:

a)

1/[(3/2)^2]

1/(9/4)

4/9

b)

1/(3^4)

1/81