Question

convert 1 hour 30 seconds to seconds with the method

Answer 1

1 hour 30 seconds=3600+30(1 hour=3600 seconds).
so 1 hour 30 seconds=3630 seconds.hope it helps plz mark my answer brainlist answer

Answer 2

1 hour = 60 min
1 min = 60 sec
60 min = 60sec×60sec= 3600 sec
30 sec = 30 sec
3600+30= 3630sec
thus 1 h 30 sec = 3630sec