Consider the following code snippet:

$m{y}_{v}ec=\left[\begin{array}{cccccc}9& 10& 2& 10& 7& 1\end{array}\right]$;

$a=m{y}_{v}ec3$;

$extracte{d}_n$ums $=m{y}_{v}ec(a)$;

Select all of the following TRUE statements.

If the second line is changed to: