What is the cost of operating the object in the previous question for 29
hours at a rate of 79 cents/kWhr?*

You can calculate the cost of energy use for various electrical appliances and ... in kilowatts, is multiplied by the operating hours to determine the energy use in kilowatt ... hours of energy use times the electric rate of eight cents per kilowatt-hour. ... the side which states how much energy costs to run the appliance for a year.

Explanation:

photocells convert light energy to electricity

answeralert drivers who drift off the road;