Question

At noon, the temperature of a container of ether was –109⁰C. At 1 p.m., the temperature of the container of ether was –34⁰C.
What was the change in temperature from noon to 1 p.m.?
I know I have to subtract the numbers but is the answer negative or positive?

Answer 1

Since they are just asking for the change in temperature, would it just be the absolute value?

Answer 2

@jim_thompson5910
@zepdrix

Answer 3

change in temperature = (new temp) - (old temp)

change in temperature = (-34) - (-109)

change in temperature = ??

Answer 4

Change is 75 degrees C

Answer 5

yes

Answer 6

Thanks

Answer 7

you're welcome

Answer 8

Also, the answer is positive because the temperature has increased. You can see this on a number line (instead of making the number line horizontal, I made it vertical)