A certain refrigerator requires 140 watts of electricity per hour when it is running. The refrigerator typically runs about 30 minutes per hour. The cost per kWh is $0.13. If 1 kilowatt is equivalent to

A certain refrigerator requires 140 watts of electricity per hour when it is running. The refrigerator typically runs about 30 minutes per hour. The cost per kWh is $0.13. If 1 kilowatt is equivalent to 1,000 watts, how much does it cost to run this refrigerator for one year?

A certain refrigerator requires 140 watts of electricity per hour when it is running-example-1

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