What is the cost of operating a 9.00 W electric clock for a year if the cost of electricity is $0.0705 per kWh?
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To do this, we need to convert the power of the clock from watts to kilowatts and then multiply it by the number of hours in a year. The power of the clock is given as 9.00 W. To convert it to kilowatts, we divide by 1000: 9.00 W / 1000 = 0.009 kW Show more…
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