Răspuns :
1h+8min+37s
1h=60min=3600 s
8min=8*60s=480s
3600s+480s+37s=4080s+37s=4117s
1h=60min=3600 s
8min=8*60s=480s
3600s+480s+37s=4080s+37s=4117s
1h + 8 min + 37 sec= 3600 sec+ 480 sec+ 37 sec= 4117 secunde