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Chemistry, 17.10.2021 01:00 cicilee49

Radioactive potassium-40 has a half life of 1.28x10^9 years. the amount of a 200.0 gram sample left after 3 half-lives would be?

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Radioactive potassium-40 has a half life of 1.28x10^9 years. the amount of a 200.0 gram sample left...

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