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Mathematics, 15.10.2019 04:30 natalie2sheffield

Asample of rock is found to contain 100 grams of a parent isotope. how many grams of the parent isotope will remain after two half-lives?
answer

50

100

75

25

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Asample of rock is found to contain 100 grams of a parent isotope. how many grams of the parent isot...
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