Please help ASAP! A new video game console valued at $500 loses 10% of its value each year. Write an exponential function that models the value of the video video game console.

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.