Answer :
Final answer:
The daily cost of keeping a 100-watt light bulb lit for 14 hours each day is 15.4 cents.
Explanation:
To find the daily cost of keeping a 100-watt light bulb lit for 14 hours each day, we need to first convert the wattage to kilowatts. Since 1 kilowatt is equal to 1000 watts, the 100-watt bulb is equal to 0.1 kilowatts.
Next, we multiply the kilowatts by the number of hours the light bulb is lit each day. 0.1 kilowatts multiplied by 14 hours equals 1.4 kilowatt-hours.
Finally, we multiply the kilowatt-hours by the cost per kilowatt-hour, which is 11 cents. Therefore, the daily cost of keeping the light bulb lit is 1.4 kilowatt-hours multiplied by 11 cents, which is equal to 15.4 cents.
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