Question

calcula (+4)×(+2)×(-9) b) (-4)×(+1)×0 c) (-3)×(-5)×(-7) d) (+3)×(-5)×(+2)

Answer 1

Paso por paso : A) (+4) × (+2) × (-9) = (+8) × (-9) = -72 B) (-4) × (+1) × 0 = (-4) × 0 = 0 C) (-3) × (-5) × (-7) = (+15) × (-7) = -105 D) (+3) × (-5) × (+2) = (-15) × (+2) = -30 ..Espero que te haya servido.. :)