The temperature in the refrigerator before turning on is 25 degrees Celsius. After turning on for 4 hours the temperature becomes -9 degrees Celsius. The difference in temperature in the refrigerator before and after turning on is
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Answer:
25-(-9) = 34° C
Step-by-step explanation:
Temp. before turning on = 25° C
Temp. after turning on = (-9)° C
Thus, difference = 25-(-9) = 34°C
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