The u. s energy information administration reported that the average cost of residential electricity use in 2000 was 0.0824 per kilowatt hour. if the cost of a kilowatt-hour of electricity since 2000 followed the model y=0.0797(1.04) to the power of x, what is the expected cost of a kilowatt-hour of electricity in 2015? round your answer to the nearest hundredth of a dollar.