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If a device uses 280 watts of power a day, about how many kilowatt-hours will it use in 30 days?

User Jcolino
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2 Answers

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dont answer 8.4, its wrong

Plato

User Pan Thomakos
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Given: 280 watts power a day

Unknown: KwH=?in 30 days
Solution: 280 watt-hours per day/1000x30 days
.28 x 30=n
Answer:8.4 kwh
User Richselian
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