4 hours = 60*4 = 240 minutes
So
4 hours and 1 minute = 241 minute
= 60*241 seconds = 14460 seconds
2 hours, 1 minute, 20 seconds.
Ok, in 1 minute there are 60 seconds,there are also 60 minutes in an hour So the calculation is 60x60=3600 second in 3 hours!
1 minute and 30 seconds
It is 1 minute and 11 seconds.
6 hours x (60 minutes/1 hour) x (60 seconds/1 minute) = 21,600 seconds
7.045 seconds x 1 minute/ 60 seconds x 1 hour/ 60 minutes = .0019569 hours
2 hours * 60 minutes/1 hour * 60 seconds/1 minute = 720 seconds
use a system of conversions: (28800 seconds)(1 minute/60 seconds)(1 hour/60 minutes)=Number of hours in 28800 seconds. Therefore there are 8 hours in 28800 seconds
1 hour = 60 mins 1 minute = 60 seconds hence 120 hours = 120 * 60 minutes = 120 * 60 * 60 seconds = 432,000 seconds 120 hours = 432000 seconds
240 seconds/(60 seconds/1 minute)/(60 minutes/1 hour) = 1/15 hours
60 seconds = 1 minute. 1 hour = 60 minutes 60 x 120= 7200 seconds
5400 seconds. ************************ 60 seconds = 1 minute 60 minutes = 1 hour so 1 and a half hours is 1.5x60x60= 5400 BUT I read question as 1 hour (60x60=3600seconds) plus half minute (0.5x60 = 30 seconds) so total is 3660 seconds