Posted by **Angel** on Sunday, February 19, 2012 at 7:57pm.

Only 43% ofthe carbon-14 in an artifact remains. How old is the artifact?

Would the answer be less than the half life?

- College Math -
**Steve**, Sunday, February 19, 2012 at 8:37pm
after one half-life, 1/2 of the material is gone. So, since more than half has gone, more than one half-life has passed.

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