Question

1) Calcule o valor das potências



a) (+2)²=



b) 2²=



c) -2²=



d) -(2)²=



e)-(-2)²=​

Answer 1

Calculando..:

$a) (+2)^2= 2.2=4\\\\\\b)2^2=2.2=4\\\\\\c)-2^2=-2.2=-4\\\\\\d)-(2)^2=-(2.2)=-4\\\\\\e)-(-2)^2=-(4)=-4$

Espero ter ajudado!

Answer 2

Resposta:

a) (+2)^2 = (+2) . (+2) = 4

b) 2^2 = 2 . 2 = 4

c) -2^2 = - (2 . 2) = -4

d) - (2)^2 = - (2 . 2) = -4

e) - (-2)^2 = - (-2) . (-2)= -4

Bons estudos! Espero ter ajudado!