Question

The temperature of a certain place fell by 2°C (a change of -2°C) each day for a week. What is the
change in temperature over the whole week?
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Answer 1

Given:-

Temperature fell daily= -2°C

Days in a week=7

Temperature fell down in a whole week= (-2)+(-2)+(-2)+(-2)+(-2)+(-2)+(-2)= -14°C

So -14°C is the total temperture fell down in a week.

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