Question

3) Calcule as potências a) (3/7)⁻² = (7/3)2 = (7/3) . (7/3) = 49/9 b) (2/5)⁻¹ = c) (1/3)⁻³ = d) (-5/4)⁻³ = e) (-1/3)⁻² = f) (-2/5)⁻³ =

Answer 1

Resposta: 125/8

Explicação passo a passo: