What part of an hour is 45 min?
Since there are 60 minutes in one hour then 45 minutes is 45/60 = 3/4 hour
How old would you be if you were a million days old?
Most people don't make it to the age of 30000 days, which is a little more than 82 years. 1000000 days is almost 2738 years.
Convert 49.00 kiloseconds to nanoseconds?
Kilo means 103, and nano means 10-9, so you must multiply by 1012 (a million million).