The correct equation for remaining radioactive nuclei is "Start Fraction 0.5 to the n power over A end Fraction"
Radioactive nuclei are unstable nuclei that decay by producing energetic particles like photons, electrons, neutrinos, protons, neutrons, or alpha particles (two protons and two neutrons bound together). Ionizing particles are a subset of these particles.
The number of radioactive nuclei will be remained after n life cycles:
A/A*= [tex](1/2)^{n}[/tex]
It can be written as, A=A*[tex](1/2)^{n}[/tex]
where, A is remaining material and A* is starting material.
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