Mathematics, 14.10.2019 22:30 alyonaprotopopova

A120 watt light bulb uses about 0.1 kilowatt of electricity per hour. if electricity costs 0.20 per kilowatt hour, how much doe it cost to have the 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...

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