What is the age of a rock whose argon 40 potassium 40
What is the age of a rock whose Argon 40 / Potassium 40 ratio is 1.55? The half life of Potassium 40 is 1.28 x 10^9 years.
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what is the age of a rock whose argon 40 potassium 40 ratio is 155 the half life of potassium 40 is 128 x 109
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