Question

a) 3
b) -3
c) 551/25
d)701/25​

Answer 1

(1/5)^2= 1/25 = 0.04

(1/5)^-2= 1/25 = 0.04

raiz cubica de -27= -3

0.04+0.04-3= -2,92

letra b)-3

obs: m sei c estou 100% certo