Question

express in second 5 hour 2min 15 sec​

Answer 1

Answer:

5hrs 2min 15sec

1hr = 60min

5hr = 5 * 60 = 300min

1 min = 60sec

300min = 300 * 60 = 18000 sec

2min = 2 * 60 = 120 sec

(18000 + 120 + 15)sec

= 18135 sec

Answer 2

Hope it will help you