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.
1) Replacement cost. A light bulb is no good if it doesn t last. In the long run, a $5.00 light bulb that lasts for 100 hours is cheaper than a $1.00 light bulb that lasts for 10 hours.2) Energy cost. You d probably like your light bulb to light, and for that you need energy.Energy consumption is measured in kilowatt hours.n the other hand, there are two other costs associated with a light bulb. 1) Replacement cost. A light bulb is no good if it doesn t last. In the long run, a $5.00 light bulb that lasts for 100 hours is cheaper than a $1.00 light bulb that lasts for 10 hours. 2) Energy cost.