Answers by visitors named: really need help...

well for the first one...i came up with a sub n= 28,200x(.1) to the (n-1) power is that right?

okay so if it says ...how much will u have ontributed to the plan after 6 months...should i do: 28,200/12 x (.1)to the n-1 power or should i not divide by 12?