Question 977205
You are not stuck.  You just did not compute the result after substituting for t=9.  Just do the computation.  You have a table of logarithms or a scientific or graphing calculator?


{{{P(9)=1.24*e^(0.008*9)}}}


{{{P=1.24*e^(0.072)}}}


Using Windows 7 Home Premium Calculator in its scientific view form,
[0][.][0][7][2]
[Inv]
[{{{e^x}}}]
Displayed result, 1.0746553440638136203348360205147
... and then multiply that by 1.24, and take just three significant figures for the final answer.