Homework Help: Chemistry

Posted by Mari on Thursday, January 24, 2013 at 9:36pm.

The half-life of C-14 is 5700 years. If it took seven half lives for a sample of C-14 to decay completely, how many years would have gone by?

Chemistry - DrBob222, Thursday, January 24, 2013 at 10:21pm
7*5700 = ?

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