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How many mg of a 31-mg sample of calciul 47 remains after 45 days
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How many mg of a 31-mg sample of calciul 47 remains after 45 days

User Martin Shishkov
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36 days is 8 half-life periods
User K M Rakibul Islam
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36 days is 8 half-life periods
User Nwwatson
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