Type the following expressions into MATLAB ${?}^{}$ at the command prompt, and observe the results. The correct answers can be found on the Pearson website.

$5+2$

$5**2$

$\frac{5}{2}$

$3+2**(4+3)$

$2\mathrm{.}54**\frac{8}{2\mathrm{.}6}$

$6\mathrm{.}3-2\mathrm{.}1045$

${3\mathrm{.}6}^2$

$1+2^2$

$\sqrt[\phantom{2}]{5}$

$cos()$