In a raffle where 9000 tickets are sold for $2 each, one prize of $2300 will be awarded
What is the expected value of a single ticket in the raffle?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.