What is the ending value of z$?$

x $=0$;

y $=3$;

z $=$ Math.pow$($x $+2,$ y$)$;

Question $7$ options:

$0\mathrm{.}0$

$4\mathrm{.}0$

$8\mathrm{.}0$

Error: Cannot have an expression within a method call