Question 723958
{{{P(t)=P[0]e^(-kt)}}}
Find k first, using half life fact.


{{{1/2=e^(-k*24000)}}}
{{{ln(1/2)=-k*24000}}}
{{{-ln(1/2)/24000=k}}}
{{{highlight(k=2.888*10^(-5))}}}
MODEL: {{{highlight(P(t)=P[0]e^(-2.89*10^(-5)*t))}}}