an electric space heater draws 15.0A from a 120-V source. It is operated on the average for 5.0h each day a.) ...

an electric space heater draws 15.0A from a 120-V source. It is operated on the average for 5.0h each day

a.)  how much power does the heater use

B.) how much energy in kWh does it consume in 30 days ?

c.) at 0.12$ per kwh how much does it cost to operate a heater for 30 days