ir an account has 2000and it is invested @6.125% compounded semi-annually, for 2 years.
the formula for compound interest is: A=P(1+r/n)^tn
A is the total amount earned after the period of time
P is the principal or starting amount of money
R is the rate
n is the numper of times it is compounded annually i.e. quarterly n=4
t is the time in years that the money is invested
try plugging your information into the formula and see what you get