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Physics, 21.07.2019 08:30 monk68

Aparent isotope has a half life of 1 million years. if a rock contained 20 mg of the parent isotope when it formed, how much parent isotope would be left after 2 million years?

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Aparent isotope has a half life of 1 million years. if a rock contained 20 mg of the parent isotope...

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