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 :)

To find the total electrical energy generated by the power plant in a 30-day period, we need to calculate the energy generated per day and then multiply it by 30.

First, let's find the energy generated per hour:
Energy generated per hour = Power generated - Waste heat discharged
Energy generated per hour = 630.0 MW - 1058.40 MW
Energy generated per hour = -428.4 MW

Since power is the rate of energy transfer, we can convert the negative value to positive by considering its magnitude.

Next, let's find the energy generated per day:
Energy generated per day = Energy generated per hour * 24 hours
Energy generated per day = 428.4 MW * 24 hours
Energy generated per day = 10282.4 MW

Finally, let's find the total electrical energy generated in a 30-day period:
Total electrical energy generated = Energy generated per day * 30 days
Total electrical energy generated = 10282.4 MW * 30 days
Total electrical energy generated = 308472 MW

Therefore, the total electrical energy generated by the power plant in a 30-day period is 308,472 MW.

To find the total electrical energy generated by the power plant in a 30-day period, we need to calculate the power generated per day and then multiply it by the number of days.

First, let's find the power generated per day:
Power generated = Average power generated per day x Number of days

The average power generated per day can be calculated by dividing the total power generated in 30 days by the number of days:
Average power generated per day = Total power generated / Number of days

Next, we need to find the total power generated over 30 days. We can calculate it by subtracting the waste heat from the total generated power:
Total power generated = Average power generated + Waste heat

Now, let's plug in the given values and calculate step by step:

1. Calculate the average power generated per day:
Average power generated per day = 630.0 MW

2. Calculate the total power generated over 30 days:
Total power generated = 630.0 MW + 1058.40 MW = 1688.40 MW

3. Calculate the total electrical energy generated over 30 days:
Total electrical energy generated = Total power generated x Number of days

Since the number of days is 30, we multiply the total power generated by 30:

Total electrical energy generated = 1688.40 MW x 30 days
Total electrical energy generated = 50652 MW-days

Therefore, the total electrical energy generated by the power plant in a 30-day period is 50652 MW-days.