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March 2, 2015

March 2, 2015

Posted by **Taylor** on Sunday, May 12, 2013 at 4:20pm.

- College algebra -
**bonjo**, Sunday, May 12, 2013 at 7:48pmfraction remain = (1/2)^n where n is the number of half life

half life = p/n where p is the period of decaying i.e. 47 years

so, first find n (number of half life using the half life equation and then find the fraction remain. convert this fraction to %

hope that helps

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