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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 :

grangergirl
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!!
-12.5


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