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A radioactive Cobalt 60 has a half life of 5.25 years. What fraction of the original atoms in a sample will remain after 21 years?

      

A radioactive Cobalt 60 has a half life of 5.25 years. What fraction of the original atoms in a sample will remain after 21 years?

  

Answers


joseph
1? ½ ? ¼ ? 1/16
joseph rimiru answered the question on December 11, 2017 at 18:04


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