The temperature of a certain place fell by 2°C (a change of -2°C) each day for a week. What is the change of temperature over the whole week?
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Answer:
14 degree Celsius
Step-by-step explanation:
change in temperature per day = 2degree C
number of days in a week = 7
change in temperature over the whole week = (2×7) degree C
= 14 degree Celsius
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