A 100-w driveway light bulb is on 10 hours per day
A 100-W driveway light bulb is on 10 hours per day. Assuming thepower company charges 10 cents for each kilowatt-hour of electricity used, estimate the annual cost to operate the bulb.
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a 100-w driveway light bulb is on 10 hours per day assuming thepower company charges 10 cents for each kilowatt-hour of
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