Question

(1) How many hours are in 34.5 year?

Answer 1

1 year have 8760 hours。
So, 34.5 years have 8760x34.5=302220 hours.
That's your answer.

Answer 2

If there are 24 hours in one day and 365 days in one year, we can do 365*24 to find the amount of hours per year to be 8,760. Then we can multiply 8,760 by 34.5 to find that there are 302,220

Hope this helps