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Multiple Choice
An energy efficient refrigerator uses 780 kWh of electrical energy per year. How many kilocalories of electricity does it use in three years?
A
2.0 x 105 kcal
B
8.3 x 105 kcal
C
2.0 x 106 kcal
D
8.3 x 106 kcal
1:26m
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