A microwave oven that draws 0.8 KWH is used for one hour At a cost of 7.5cents per KWH What is the cost of the microwave electrical energy consumption?

To calculate the cost of the microwave's electrical energy consumption, multiply the energy usage (0.8 KWH) by the cost per KWH (7.5 cents). This gives you a cost of 0.8 KWH * 7.5 cents = 6 cents. Therefore, the cost of using the microwave for one hour is 6 cents.