The current in a 120-v reading lamp is 21 a if the cost of, Physics

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The current in a 120-v reading lamp is 21 a if the cost of

Question: The current in a 120-V reading lamp is 2.1 A. If the cost of electrical energy is $0.075 per kilowatt-hour,

Part A: How much does it cost to operate the light for an hour?

$ ____

I need help to solve the above question and do not round to the nearest cent.

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Physics: The current in a 120-v reading lamp is 21 a if the cost of

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Physics: The current in a 120-v reading lamp is 21 a if the cost of

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