Radon-222 is a radioactive gas with a half-life of 3.82 days. A gas sample contains 4.5*10^8 radon atoms initially.(adsbygoogle = window.adsbygoogle || []).push({});

Estimate how many radon atoms will remain after 12 days.

This Is what i have done:

3.82 days=3.82*24*60*60=330048seconds

what's next?

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# Homework Help: Half-Life physics problem

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