Question

The temperature dropped by −2.5 Celsius degrees for 5 consecutive days. What was the total decrease in temperature over the 5-day period, expressed as a signed number? 

Answer 1

-12.5


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Answer 2

If the temperature dropped by -2.5 for 5 days, then multiply -2.5 and 5 to get the total decrease.
(-2.5)(5) = -12.5
Over the 5-day period, the temperature dropped by -12.5 degrees Celsius.
Hope that helps!!