Physics, 01.02.2021 16:30 guadalupemarlene2001

What is the cost of operating a 100 W light bulb for "4 hrs per day" for 30 days, if the cost of electricity is 6 cents kW•h

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What is the cost of operating a 100 W light bulb for "4 hrs per day" for 30 days, if the cost of ele...