A sample of radioactive material contains 13 1015 atoms
Question: A sample of radioactive material contains 1.3 1015 atoms and has an activity of 5.6 x 1011 Bq.
Question 1: What is its half-life?
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question a sample of radioactive material contains 13 1015 atoms and has an activity of 56 x 1011 bqquestion 1 what
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