Question

como resolver as expressões: a) (2/3)^2 : (2/3)^3
b) (1/2)^4: (1/2)^6.​

Answer 1

Explicação passo-a-passo:

Na divisão de mesma base conserva a base e subtrai os expoentes

a) (2/3)² : (2/3)³= (2/3) ²-³= (2/3)-¹

b) (1/2)⁴ : (1/2)^6= (1/2)^4-6= (1/2)-²