a bank account pays 3% interest. Suppose you invest $2000 in such an account.

Let a(n) be the amount in the account after n years. So a1=2000+0.03*2000=2060 and a2=2060+0.03*2060=2121.80. Find a3 and a4?

Is this sequence an arithmetic sequence, geometric sequence or neither? and why?

Find a10