Question

8 - Calcule
a) ( -4)² - 3 =
b) 1 + (-2)³ =
c) -2 + (-5)² =

Answer 1

a) ( - 4)² - 3 = + 16 - 3= + 13
b) 1 + ( - 2)³ = 1 + ( - 8) =1 - 8 = -7
c) - 2 + ( -5)² = -2 + ( + 25) = -2 + 25 = + 23

Answer 2

Olá,
A) ( - 4)² - 3 =
 + 16 - 3= + 13

B) 1 + ( - 2)³ =
 1 + ( - 8) =1 - 8 = -7

C) - 2 + ( -5)² =
-2 + ( + 25) = -2 + 25 = + 23
Bons estudos e Boa sorte!