A = P(1 + r/n)nt
Where:
A = the final value of the investment
P = the initial value of the investment = $2260
r = the annual interest rate = 4% = 0.04
n = the number of times the interest is compounded per year = semi-annual = 2
t = years = 8
A = ($2260)(1 + 0.04/2)2*8
A = ($2260)(1.02)16
Use your calculator to solve for A