Answer = (5 * 850)/6 = 708.333333333
After 6 hours 50 % of Tc-99m is disintegrated.
slap them with a fish
It is 6 hours and 43 minutes.
18.00 x 6 = 108
360 minutes
360 minutes
6 hours?
6 hours?
6 hours
364 minutes = 6 hours 4 minutes.
100 hours = 4 1/6 days