Question

calcule o valor de a + b + c, sabendo que:
a- (-3)² =
b- (-3)¹ =
c (-3)³ = ​

Answer 1

a) $(-3)^{2} \\-3 * -3 = 9$

b) $(-3)^{1}\\-3$

c) $(-3)^{3}\\-3 * -3 * -3 = -27$

$a+b+c\\9 + (-3) + (-27)\\6 + (-27)\\-21$