What app/software is this? (edit vids)

If an appliance consumes 500 w of power and is left on for 5 hours, how much energy is used over this time period? a. 2.5 kwh b. 25 kwh c. 250 kwh d. 2500 kwh

Worth 50 points answer them bc i am not sure if i am wrong

A(n) is a step-by-step direction for performing a specific task, which is written in a language the computer can understand.servercachearrayprogram