Question

In the morning, the temperature was -10°C. By the afternoon, it had risen to –2°C. What was

the change in temperature from the morning to the afternoon?

To solve the problem, Luke subtracted –2–(–10) and came up with an answer of 8°C. Is Luke

correct? Why or why not?

a. Yes, Luke is correct

b. No. the answer should have been -8⁰C , not 8⁰ C , because the temperature is still negative

c. No, Luke should have added -10 +(-2) because the temperature rose​

Answer 1

Answer:

a. Yes, Luke is correct .

Step-by-step explanation:

In the morning, the temperature was -10°C.By the afternoon, it had risen to –2°C.So, the change in temperature is 8°C.

Verify,-10°C+8°C.=-2°C.