math
posted by Anonymous* on .
Deposits of $1,000, $1,100 and $680 were made into a savings account, the first two years ago, the second 18 months ago, the third 6 months ago. How much is in the account now if the interest on all deposits is 12% compounded semiannually?

What is
1000(1.06^4) + 1100(1.06^3) + 680(1.06) ?