idkidk79 idkidk79

10-02-2021
Biology

contestada

what percent of strontium 87 remains after 4 half lives

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isaiahsh0401 isaiahsh0401

10-02-2021

Answer :A half- life is the time required for half of the radioactive substance to undergo radioactive decay. In two half lives first half of the original sample decays then in the second half life half of what is left decays.25%

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