Asappp ! exercise 2: a 15-watt led needs 25 watts of power to produce the same amount of light as
the 100-watt incandescent bulb.
1. if the led light bulb is left on for 168 hours (a whole week), how many watt-hours of
energy does it consume?
2. how many kilowatt-hours of energy does it consume?
3. how much did it cost to leave the light bulb on?
4. how many pounds of carbon dioxide equivalents did leaving the light bulb on release?