During a 45-day period the energy meter in a house shows a reading of 5286kWh at the start and 5420kWh at the end.
(a) Determine the total electrical energy consumed during the period in kilowatt-hours.
(b) Convert the energy obtained in part (a) into joules.
(c) Calculate the average electrical energy consumed per day during this period in kilowatt-hours and in joules.