A typical cost for electrical power is $0.120 per kilowatthour Suppose your refrigerator uses 400 W of power when it’s running, and it runs 8 hours a day. What is the yearly cost of operating your refrigerator?
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A typical cost for electrical power is $0.120 per kilowatthour
Suppose
your refrigerator uses 400 W of power when it’s running, and it runs
8 hours a day. What is the yearly cost of operating your refrigerator?
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