Chemistry, 27.08.2019 03:30 srsnider2017

Uranium-238 decays very slowly. its half-life is 4.47 billion years.
what percentage of a sample of uranium-238 will remain after 13.4 billion years?
i have to test after 3 !

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Uranium-238 decays very slowly. its half-life is 4.47 billion years.
what percentage of a samp...