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Utility company charges 12 cents per kilowatt hour of electricity what is the daily cost of keeping a 50 watt bulb on for 12 hours each day

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Answer: 12 c · 0.6 = 7.2 c

Step-by-step explanation: one kilowatt hour is 1000 W·h

One bulb uses 12 h · 50 W = 600 Wh = 0,6 kWh

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