If N, is the # of atoms of a radioactive isotope at t = 0, then after a time elapse of 5 half-lives, the fraction presen
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If N, is the # of atoms of a radioactive isotope at t = 0, then after a time elapse of 5 half-lives, the fraction presen
If N, is the # of atoms of a radioactive isotope at t = 0, then after a time elapse of 5 half-lives, the fraction present will be O 1/5 O 1/32 O 1/64
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