sierrarenea32 sierrarenea32

15-12-2016
Mathematics

contestada

On the coldest night in North Ice, Greenland, the temperature dropped from 0°C to −21°C−21°C in 7 hours. What is the average temperature change per hour?

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Magdalina Magdalina

15-12-2016

-21C divided by 7 = -3

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