Question

calcule o valor das potências: b) (2/3)-³ c) (- 2/3)-³ d) (2/3)2 e) 1278elevada0 f) 4-¹

Answer 1

b) (2/3)⁻³=(3/2)³=27/8
c) (- 2/3)⁻³=(-3/2)³=-27/8
d) (2/3)²=4/9
e) 1278⁰=1
f) 4⁻¹=1/4

Answer 2

Resposta:1/2 2/5 3/7

Explicação passo-a-pas