Tim is building a model of a castle with small wooden cubes. So far, Tim has constructed part of a security wall of the castle, as shown below. Each wooden cube has a side length of ft. Based on the model, the length of the wall is ft, the width of the wall is ft, and the height of the wall is ft. The volume of the portion of security wall that Tim has constructed so far is cu ft.

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)