Asked by Kyle

An isotope has a half-life of 56 days. It now has 10,000 DPM/ml. What is the activity in the diluted specimen?

Very confused, any help would be appreciated!
Answered by DrBob222
See this.
http://www.jiskha.com/display.cgi?id=1429576498
Answered by Kyle
Yes, that problem makes sense to me that you attached. How do I go about this problem though if I don't have a dilution factor? I only have the half life and the activity.
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