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Question: andnbspandnbsp1andnbspandnbspandnbspandnbspandnbspandnbspandnbspandnbspandnbsp calculate the cost of running a 2400watt fan heater...

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1          Calculate the cost of running a 2400-watt fan heater for six hours if the average peak rate for domestic electricity is $0.25/kWh. 

 

2         How much energy is used (in kWh) when a 100 W light globe is on for 4 hours each day for one week?

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