Question

A power plant burns coal and generates an average of 630.0 MW of electrical power while discharging 1058.40 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period.
The way the question is phrased the waste heat has nothing to do with it.

630*10^6 watts times time in seconds

time = 30 days * 24 hours * 3600 seconds/hr = 2.592*10^6 seconds

so
.63*10^9 * 2.592*10^6 = 1.63*10^15 Joules
Thank you very much :)

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