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Chemistry, 28.10.2020 23:50 jakeevyhayov21py

If there are 50 grams of u-235 on day zero of radoiactive decay, how much will there be after 4.5 billion years?

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If there are 50 grams of u-235 on day zero of radoiactive decay, how much will there be after 4.5 bi...

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