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QUESTION
The power rating of a clock is 10 W, and the cost of electrical energy is $0.15 per kilowatt-hour. Rounded to the nearest cent, how much does it cost to run the clock for one whole week?
The power rating of a clock is 10 W, and the cost of electrical energy is $0.15 per kilowatt-hour. Rounded to the nearest cent, how much does it cost to run the clock for one whole week?
