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2 April, 10:44

If the cost of electricity is 8 cents/kWh, how much will it cost to use the light for a whole year (365 days) ?

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  1. 2 April, 11:08
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    For a 100 watt bulb it would be around 700.8 USD, (648.53 Euros).

    Explanation:

    Since you did not specify the wattage of the bulb, this would be it. You could manipulate the wattage, and then do the same to the cost. E. G, a 50 watt bulb would be about 350.4 USD.
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