10 hours and 15 minutes.
4:00 am
There are 60 minutes in one hour. Therefore, 730 minutes is equal to 730/60 = 12.16 recurring (that is, 12.16666...) hours or 12 hours 10 minutes.
734
7
10 hours and 15 minutes.
2 hours and 30 minutes.
It is (8.5 + 24k) hours where k is an integer.
That's nine and one quarter hours.
730 days = 17,520 hours
4:00 am
The interval 10:10 am to 5:00 pm is 6 hours and fifty minutes long.
12 hours
There are 60 minutes in one hour. Therefore, 730 minutes is equal to 730/60 = 12.16 recurring (that is, 12.16666...) hours or 12 hours 10 minutes.
734
7
Ten hours.