Suppose you discovered a meteorite that contains small amounts of potassium- 40, which has a half-life of 1.3 billion years, and its decay product argon-40. Ignore the other decay product, calcium-40, for the purpose of this exercise. You determine that 1/16 of the original potassium-40 remains; the other 15/16 has decayed into argon-40.
How old is the meteorite?
Based on your answer, where is this meteorite probably from?
Answers: 2
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