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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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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?

User Dean Lee
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1 Answer

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-21C divided by 7 = -3
User Scott Noyes
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