$**$Use MatLab$**$

Three matrices are defined as

$[A]=\left[\begin{array}{cc}1& 5\\ 3& 10\\ -4& 3\end{array}\right],[B]=\left[\begin{array}{cc}4& 3\\ 0\mathrm{.}5& 2\end{array}\right],[C]=\left[\begin{array}{cc}2& -2\\ -3& 5\end{array}\right]$

$($a$)$ Perform all possible multiplications that can be computed between pairs of these matrices.

$pts]$; $($b$)$ Use the results of $($a$)$ to illustrate why the order of multiplication is important. $[5$ pts$]$