Give the values of i, n, P, and F.
1. $500 invested at 2.8% interest compounded annually grows to $558.40 in 4 years.
2. $800 invested on January 1, 2011, at 1.8% interest compounded monthly, grows to $957.64 by January 1, 2021.
3. $7174.85 is deposited on January 1, 2011. The balance on July 1, 2020 is $9000, and the interest is 2.4% compounded semiannually.
4. The amount of money that must be deposited now at 2.6% interest compounded weekly in order to have $7500 in 1 year is $7307.56?