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Home / Questions / Potassium-40 decays to argon-40 with a half-life of 1.27 × 109 yr. What is the age of a ro...

Potassium-40 decays to argon-40 with a half-life of 1.27 × 109 yr. What is the age of a rock in which the mass ratio of

Potassium-40 decays to argon-40 with a half-life of 1.27 × 109 yr. What is the age of a rock in which the mass ratio of 40Ar to 40K is 4.2?

Aug 23 2021 View more View Less

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