Solve the all parts of given question:
Question: On average, an electric water heater operates for 2.2h each day.
Part A: If the cost of electricity is $0.3 /kWh, what is the cost of operating the heater during a 30-day month? The power of a typical electric water heater is 4500 W.
Part B: What is the resistance of a typical water heater? The current requirements of a typical electric water heater is 37.5 A.
I need help to solve the above question and express your answer using two significant figures.