What is the pattern for 784.5, 78.45, 7.845 what comes next

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Which of the following circles have their centers in the third quadrant? check all that apply.

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120