kyiloveme8046 kyiloveme8046

25-09-2016
Mathematics

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At the beginning of a laboratory experiment, the temperature of a substance is -12.6 °C. During the experiment, the temperature of the substance decreases 7.5 °C. What is the final temperature of the substance?

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gheise7711 gheise7711

25-09-2016

All you have to do is subtract -12.6 C from 7.5 C which equals -20.1
-12.6 - 7.5 = -20.1

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