Question

Bill leaves his 60 W desk lamp on every day, including weekends, for eight hours. After one month (30 days), how much total energy has been used by the lamp? Round your answer to the nearest whole number.

Answer 1

First multiply the 30 days by 8 hours to get 240, then take that number and multiply it by 60 W to get the final  answer of 14400. 
hope this is correct, I'm learning it too

Answer 2

The answer is 14 on edge