convert 2.05 × 10^5 sec into years
1 year has 365.25 days in it (that's why we add a leap day every 4 years)1day=24hours1hour=60mins1min=60secs365.25246060=31557600 seconds in a year2.0510^5=205000 seconds205000/31557600=0.0064905800187593479859051385403 years
