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Q: The half-life of Mo-99 is 67 hours A 200 ug quantity decays over time to 25 ug How much time has elapsed?

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Related questions

3 - 4.5 hours.

The elapsed time IS 2 hours 15 minutes.

6 hours have been elapsed

4 hours

elapsed hours and minutes

The elapsed time is 7 hours and 25 minutes, therefore it is more than 7 hours.

Elapsed time

10 hours

2 hours, 25 minutes

The elapsed time between 4:00 and 1:30 is 9 and 1/2 hours.

It would be 7 hours

Two hours elapsed time.

6 and 1/2 hours

6 hours.

4 hours, 50 minutes

22 hours and 25 minutes.

2 hours and 51 minutes.

from 0645 to 0700 there are 15 mins from 0700 to 1000 there are 3 hours from 1000 to 1030 there are 30 mins. Thus the time elapsed is 3 hours 45 mins.

14.06 hours

3 hours, 53 minutes

9 hours 5 mins.

2 hours and 51 minutes. lol

The answer is 6 hours.

10 hours and 40 minutes.

It is 6 hours and 35 minutes.