How do i know what unit to use in my answer? ex. it is a 3- kilometer walk to the river. sam walks for 500 meters. then, she walks another 1050 meters.

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.