Comments1k Share. Hayley Noelle LeBlanc (popularly known as Hayley) is the youngest child of the LeBlanc Family. She is 8 years old and is currently attending a private school and is in 2nd grade. Hayley is currently 4'3 and weighs 50 pounds.
Click calculate to find out the electricity cost of a single incandescent light bulb running at 60 Watts for 5 hours a day @ $0.10 per a kWh, keep in mind you can edit the numbers in the calculator. Cost Per Hour: Cost Per Day:ncandescent light bulbs have an average lifespan of 1000 hours or 41.6 days running 24/7. While comparable CFL light bulbs last an average of 9,000 hours or 375 days running 24/7 and an LED light bulb lasts 50,000 hours or 2,083 days.
Part I: The Cost of an Incandescent Bulb. An incandescent light bulb costs about 50 cents and lasts about 750 hours. If you were to leave a 100-watt bulb burning for 24 hours each day, 365 days per year, it would use 876 kilowatt hours per year.(1000 watts equals one kilowatt â âkiloâ means a thousand.). high-efficiency fluorescent bulb costs about $2-$5 and lasts about 8,000 hours. A 25-watt fluorescent bulb puts out roughly the same amount of light as a 100-watt incandescent light. If you were to leave a 100-watt bulb burning for 24 hours each day, 365 days per year, it would use 216 kilowatt hours per year.