Question

change 2 hours 10 minutes 30 second to second​

Answer 1

1 min = 60 sec

therefore ,

1h = 60 min = 3600 secs

hence, 2h = 2 × 3600 sec = 7800secs

10 min = 10×60 = 600 sec

.

.

.

ans = 7800+600+30

= 1410 sec