semi-annually means how many times a year

The accumulated value of $500 payable semi-annually at the end of each half-year over 10 years if i...

If you invest $300.00 at a rate of 13.90% per annum compounded semi-annually, by how many times will...

If you invest $300.00 at a rate of 13.50% per annum compounded semi-annually, by how many times will...