$$\text { Polonium-215, } \begin{array} { c }
215 \
84
\end{array} \mathrm { Po } , \text { undergoes alpha decay with a half-life of } 1.8 \mathrm {~ms} .$$

Question

$$\text { Polonium-215, } \begin{array} { c } 
215 \
84
\end{array} \mathrm { Po } , \text { undergoes alpha decay with a half-life of } 1.8 \mathrm {~ms} .$$

Examlex · Accepted Answer

The Answer of $$\text { Polonium-215, } \begin{array} { c } 
215 \
84
\end{array} \mathrm { Po } , \text { undergoes alpha decay with a half-life of } 1.8 \mathrm {~ms} .$$

(A) What Percent of the Original Polonium-215 Is Left After

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