4 more world problems

1.​$2000 principal earning 6% compounded​ annually, 8 years?
2.Suppose that when your friend was​ born, your​ friend's parents deposited ​$4000 in an account paying 5.8% interest compounded quarterly, What will the account balance be after 13 ​years?
3.suppose your​ friend's parents invest $25,000 in an account paying 6 % compounded annually. What will the balance be after 8 ​years?
4. deposit earning 4.2 %compounded​ monthly, after 4 years?