324 hours = 131/2 days.
5 days and 11 hours
21
2 hours and 11 minutes.
188
229
1 x 131, 131 x 1.
The 8th of October is 131 days after it. If the 30th of May is in a leap year, the 20th of January is 131 days before it, otherwise the 19th of January is 131 days before it.
131 days.
131 minutes
1 hour = 60 minutes 60x2= 120 minutes, 131-120= 11, therefore 131 min = 2hr and 11 min OR 131 min - 60 = 71 - 60 = 11 = 2 hours and 11 minutes
The time required is 24.06 days. The half life of iodine 131 is 8.02 days.