princessmariomp8bhru princessmariomp8bhru

06-05-2018
Physics

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A parent 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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bigbird203 bigbird203

19-05-2018

about 5mg or 10 hope this help have nice day

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