Mathematics, 04.01.2020 12:31 queenkimm26

A120 watt light bulb uses about 0.1 kilowatt of electricity per hour. if electricity costs $0.20 per kilowatt hour how much does it cost to have a bulb on for an hour?

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A120 watt light bulb uses about 0.1 kilowatt of electricity per hour. if electricity costs $0.20 per...