Sample Problem

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  • You have 1.0 mCi of S-35 on 22 May 2008.
  • What is activity on 18 August 2008?
  • The half-life of S 35 is 88 days.


  • Answer


    • Activity on 18 August 2008 is 0.5 mCi or one half life.

    • 88 days have passed between 22 May 2008 and 18 Aug 2008.


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