Using MATLAB, Compute the following exoressions. Take a clear screenshot of the editor and command screens and post your solution below; ; $($The snip tool is great for this function$)$

Calculate:

$($a$)\frac{{14\mathrm{.}8}^3-{6\mathrm{.}3}^2}{(\sqrt[\phantom{2}]{13}+5{)}^2}$