Potassium-40 decays to argon-40 with a half life of 127e9
Potassium-40 decays to argon-40 with a half life of 1.27E^9 yr. what is the age of the sample that has a mass ratio of 40 Ar to 40K of 0.712?
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potassium-40 decays to argon-40 with a half life of 127e9 yr what is the age of the sample that has a mass ratio of 40
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