Question 117554
I think you're trying to set up a Future Value problem.
for a prinicipal, p, at rate, r, for t periods.
The capital T and small t are not the same. 
Usually its written like this,
{{{FV=p(1+r)^t}}}
where FV is the future value of an investment. 
Your example then becomes
{{{FV=8000(1+.08)^(9.5)}}}
and simplifying
{{{FV=8000(1+0.08)^9.5}}}
{{{FV=8000(1.08)^9.5}}}
{{{FV=8000(2.077)}}}
{{{FV=16619.41}}}
So, if you invest $8,000 at a rate of 8%, in 9 1/2 years, the investment will be worth $16,619.41.