Question

gente me ajudem !!!​

Answer 1

Resposta:

a) 1/49, b) 49/25, c) 81/16, d) 1/5, e) 125/8, f) 1/2

Explicação passo-a-passo:

a)

7^-2 = (1/7)² = 1/49

b)

(5/7)^-2 = (7/5)² = 49/25

c)

(2/3)^-4 = (3/2)^4 = 81/16

d)

1/5

e)

(2/5)^-3 = (5/2)3 = 125/8

f)

(6/3)^-1 = (3/6) = 1/2

valeu?