Please help me by dumbing down the formulas

8. At 5% interest compounded monthly, what is the present value of $5,000 to be received 11 years from now? 9. You deposit $100 into an account at the end of each month. This money earns 3% interest annually. What will be the value of your money in 10 years if you want to use it to supplement your income? 10. You deposit $100 into an account at the beginning of each month. This money earns 3% interest annually. What will be the value of your money in 10 years if you want to use it to supplement your income