Kiera has 3 plots of soil in her backyard, and she wants to fill each one with a different type of flower. If the garden supply store has 4 types of flowers to choose from, in how many ways can she plant the plots?

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?