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Chemistry, 10.07.2019 22:00 imknutson962

In a certain city, electricity costs .10 per k. w.h. what is the annual cost dor electricity to power a lamppost for 5 hours/day with a 100 watt incandescent light bulb

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In a certain city, electricity costs .10 per k. w.h. what is the annual cost dor electricity to powe...
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