Changes

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: Power = 60W = 0.060kW

: Time = 8 hours

: Energy = 0.060 x 8

: Energy = 0.48kilowatt-hours

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: Power = 25W = 0.025kW

: Time = 8 hours

: Energy = 0.025 x 8

: Energy = 0.20kilowatt-hours

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: Power = 2000W = 2.0kW

: Time = 30 minutes = 0.5hours

: Energy = 2.0 x 0.5

: Energy = 1.0kilowatt-hours

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: Power = 250W = 0.25kW

: Time = 3 hours

: Energy = 0.25 x 3

: Energy = 0.75kilowatt-hours

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: Power = 200W = 0.20kW

: Time = 24 hours

: Energy = 0.20 x 24

: Energy = 4.8kilowatt-hours

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: Power = 2500W = 2.5kW

: Time = 45 minutes = 0.75 hours

: Energy = 2.5 x 0.75

: Energy = 1.875kilowatt-hours

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