Answer:
The answer to your question is: 62.88 min
Step-by-step explanation:
Data
Co - 60
half-life = 10.48 min
decay = 1/64 th
Process
1
2 1 half life 1/2 10.48
3 2 half life 1/4 20.96
4 3 half life 1/8 31.44
5 4 half life 1/16 41.92
6 5 half life 1/32 52.4
7 6 half life 1/64 62.88