Question

I need help please and thank you

Answer 1

Positive times negative is negative, so we get

(31)(-80) = - 31 × 8 × 10 = - (240 + 8) × 10 = -2480

Answer: -2480

Answer 2

-2480

Explanation:

31 * -80 =-2480

Not sure how to explain this more, but I hope this helps!