Posted by **Moe** on Thursday, April 8, 2010 at 2:08pm.

A piece of charcoal of mass 35g is found in the ruins of an ancient city. The sample shows a carbon-14 activity or R(t)=4.167 decays/sec.

Convert the decay constant of ^14C from (1)(a)in terms of seconds instead of yrs.

Find the number of atoms N(t)using constant you found.

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