breianamurray20 breianamurray20

30-01-2017
Physics

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What is the half life of a radioactive isotope that decreased to one-fourth its original amount in 100 year

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kadota1298 kadota1298

30-01-2017

The half life of this isotope would be 200 years if it only decays 1/4 of the original amount in 100 years.

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