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April 24, 2014

Homework Help: earth space science

Posted by Potassium-40 has a half-life of approximately 1.25 on Thursday, February 9, 2012 at 9:53am.

Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-sixteenth the original amount of parent isotope?

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