Anna is buying a car for $34,790. She has a $4000 trade-in allowance and will make a $2900 down payment. She will finance the rest with a 5-year auto loan at 2.9% APR

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio