Question 1115079
{{{y=Ie^(-kx)}}}


{{{10000e^(-8k)=5000}}}


{{{k=-ln(1/2)/8}}}


{{{k=0.08664}}}


MODEL:  {{{y=10000e^(-0.08664x)}}}


Use the model, let y=4204, and solve for x.

{{{highlight(x=10)}}}