Question

3) O valor da expressão 2^ 0 - (-2)^ 2 / 2^ 2 + (-2)^ 3 é *


:a) ¾

b) 4/3

c)-5/2

d)-2/5​

Answer 1

2^ 0 - (-2)^ 2 / 2^ 2 + (-2)^ 3

-> 1 - 4 / 4 - 8

-> - 3 / - 4 = 3 / 4

= a) 3 / 4