Posted by **Moe** on Thursday, April 8, 2010 at 12:34pm.

The radioactive isotope of Carcon (^14C)has a half life of 5730.

What is the decay constant of ^14C?

If we start with a sample of 1000 carcon nuclei, how many will be left in 22920 years time?

- 12th grade -
**SraJMcGin**, Thursday, April 8, 2010 at 12:59pm
12th grade as the school subject, doesn't help much. Please say Math, Science, whatever it may be to get help from the correct volunteer teacher.

Sra

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