title: complexity in terms of big O
body: <p>can anyone tell me how this is the order  so that each one is big-OH of next one.</p>
  
  <ol>
  <li>√n√logn      2. 〖16〗^(log√n)    3.  n/〖(logn)〗^2      4.  √n log⁡(n^30)      </li>
  </ol>