Question

determine as seguintes potencias
a)(+5)2
b)(-3)3
c)(+5)3

Answer 1

a) (+5)² = (+5) x (+5) = +25

b) (-3)³ = (-3) x (-3) x (-3) = - 27

c) (+5)³ = (+5) x (+5) x (+5) = +125

Answer 2

Explicado na foto...