Question

(-2)elevado a 2 + 6.3 - 5.4

a) 42
b) 10
c) 2
d) -6​

Answer 1

${( - 2)}^{2} + 6.3 - 5.4$

$4 + 18 - 20$

$4 - 2 = 2$

Alternativa C

Answer 2

(-2)² + 6·3 - 5·4 =

4 + 18 - 20 =

22 - 20 =

2

Letra C)