I need help with this please

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.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

What is the simplified form of square root of 400 to the 100th power ?