Answer:
b. 1 770 kWh
Step-by-step explanation:
The heat needed to change the temperature of a certain amount of a substance is given by:

Here m is the mass of the susbtance, C is the specific heat of the substance and
is the temperature change

Recall that one watt hour is equivalent to 1 watt (1 W) of power sustained for 1 hour. One watt is equal to 1 J/s. So, one watt hour is equal to 3600 J and one kilowatt hour is equal to

