Find the 15th term of the following sequence
1/2,1/4,1/8,... ( Use sequence formula)
What Plato gave you should be enough to help you solve the problem. He gave you the pattern of the sequence for an arbitrary n value. Since you're looking for the 15th term of the sequence, you want to find $\displaystyle a_{15}$. And by the formula provided, what would that be?