Mathematics, 11.03.2020 21:31 aaleeyahprice
The half-life of polonium is 139 days, but your sample will not be useful to you after 89% of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the polonium?
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The half-life of polonium is 139 days, but your sample will not be useful to you after 89% of the ra...
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