Question

alguem me ajuda pfvr ​

Answer 1

Resposta:

a) 7^-2

1/7²

1/14

b) 5^-3

1/5³

1/125

c) (5/7)^-2

(7/5)²

49/25

d) (2/5)^-3

(5/2)³

125/8

e) (2/3)^-4

(3/2)^4

81/8

f) (6/3)^-1

3/6