If we start with 6.4*10^12 atoms of a radioactive material with a half life of 1.2 days, how many atoms remain after 6 days?

University Physics Volume 3
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ISBN:9781938168185
Author:William Moebs, Jeff Sanny
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Chapter10: Nuclear Physics
Section: Chapter Questions
Problem 37P: A radioactive sample initially contains 2.40102 mol of a radioactive material whose half-life is...
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If we start with 6.4*10^12 atoms of a radioactive material with a half life of 1.2 days, how many atoms remain after 6 days?

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