if a person invests $230 at 10% annual interest fund the approximate value of the investment at the end of 10 years

If it is simple interest rate
10% of $230 = 0.1 x 230 = 23
23 x 10 years = 230
total = 230 + 230 = $460

If it is compounded
230(1+0,1)^10 = $596.56