Answer:
It will cost $0.01 to operate the laptop for five hours.
I hope this helped answer your question.
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Step-by-step explanation:
To calculate the cost of operating a laptop for five hours, we need to determine the total energy consumed and then multiply it by the cost per kilowatt hour.
First, let's convert the laptop's power consumption from watts to kilowatts. Since 1 kilowatt is equal to 1000 watts, the laptop consumes 20 watts per hour, which is equal to 0.02 kilowatts.
Next, we multiply the power consumption by the number of hours to find the total energy consumed. In this case, the laptop operates for five hours, so the total energy consumed is 0.02 kilowatts x 5 hours = 0.1 kilowatt-hours.
Now, we can calculate the cost. The cost per kilowatt-hour is given as $0.10. Multiplying the total energy consumed by the cost per kilowatt-hour, we have 0.1 kilowatt-hours x $0.10 = $0.01.
Therefore, it will cost $0.01 to operate the laptop for five hours.
