SOLUTION: What is the change in temperature from 15° to -9°
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Question 1124891: What is the change in temperature from 15° to -9°
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
Temperature change = (final reading) - (initial reading) =
The minus sign tells you there was a decrease in temperature. If you want (or if you are required) to specify the change as a positive number then it is acceptable to say "the temperature decreased by 24 degrees."
( It is analogous to calculating the net profit for a company: when the calculation comes out negative, one might prefer to say the company lost X dollars, rather than "the company made -X dollars." )
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