Question

find the present value of the deposit in order to have $9000 at 10% compounded monthly for 4 years

Answer 1

http://ncalculators.com/interest/compound-interest-calculator.htm

Answer 2

just enter information will calculate

Answer 3

If you want to figure it out on your own, the formula is
\[FV = PV(1+\frac{r}{N})^{Nt}\] where FV is future value, PV is present value, \(r\) is the annual interest rate expressed as a decimal, \(N\) is the number of compounding periods per year, and \(t\) is the number of years.