How many hours from 8am to 430 pm?
8 hours 30 minutes
16:30 - 08:00 = 08:30
or
4 (8 to 12) + 4.5 (12 to 4.5) = 8.5
How many seconds are there in 1 novemtrigintillionplex years?
about, 32,000,000 novemtrigintillionplex.
How many hours is 8.45 to 9.15?
Half
or 30 minutes
unless there are 12 hours apart, then 12:30 difference
How do you change 168 hours to days?
A day is 24 hours. Divide 168 by 24 gives you 7, so it is 7 days.
What is 30 minutes as a fraction of an hour?
One hour is 60 minutes so 30 minutes is one-half of an hour.
How many hours between 7am to 430pm?
9h30m
4:30pm = 16:30 hours in 24 hour clock
Then 16:30 - 7:00 = 9:30
Or 7 to 12 = 5:00
and 5 to 4:30 = 4:30
So 5:00 + 4:30 = 9:30
9am next day
One day = 24 hours
26 - 24 = 2
and 7 + 2 = 9
How many seconds are there in 12 billion years?
380 quadrillion.
---------------------------------------
1 billion = 10 to power 12 (according to SI units)
12 billion = 12 x 10 to power 12
1 year = 86400 x 365 = 31536000 seconds
12 billion = 12 to power 12 x 31536000 = 3.78432 E20 or 378.432 trillion