Question

The power rating of a vacuum cleaner is 0.8 kilowatts. If you use the vacuum cleaner for 2.5 hours, how much energy does it use?

Answer 1

If you use it for one hour consumption wil lbe 08 KWH.

Explanation:

So for 2.5 hours it will be 2.5 x 0.8= 2 kilo watt hours.
or 2 units of electricity.