In the radiactivity equation A = A(adsbygoogle = window.adsbygoogle || []).push({}); _{0}e^{-ln(2)t/T1/2}How do I get A_{0}? Is that just ln(2)N_{0}/T_{1/2}? What if I don't know the initial number of atoms in the sample? Thanks...

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# Simple question about radioactivity equation

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