one
31,556,926 seconds
31,556,926 seconds
3,600 seconds.
30 seconds
Two minutes is 120 seconds.
10,000,000 seconds = 115.74 days (rounded)
153,000 seconds are in 42.5 hours.
540
1 minute = 60 seconds so 1 minute 15 seconds = 60+15 = 75 seconds.
864,000 seconds.
We dount know.