Question

1. The temperature drops 4°F each hour,

What is the total change in temperature after 10 hours?

Answer 1

40F

Explanation:

4×10=40, so the change in temperature is -40F

Answer 2

-40°F

Explanation:

4 × 10 = 40, so the change in temperature is -40°F. The negative is there to indicate that the temperature went down.