Question

1) Calcule o produto (- 2/5) · (+ 0,3) · (- 5/8) e marque a resposta certa?
A) – 3/40
B) + 3/40
C) – 60/400
D) + 60/400

Answer 1

___________

(-2/5) × (0,3) × (-5/8)

(-2/5) × (3/10) × (-5/8)

(-2) × 3 × (-5) / 5 × 10 × 8

30/400

3/40

Alternativa B

__________

Att: MarcosPCV