Question: 7) What is the efficiency if a source of activity (10 Curie) was placed on a detector and counted 1000 counts in 5 minutes.

7) What is the efficiency if a source of activity (10 Curie) was placed on a detector and counted 1000 counts in 5 minutes. Assume that source was purchased on 10/5/2022- meaning that no need for decay correction. Show your work, if you just give final answer your credit is zero points

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