Complete this expression. Assume that any variables are not equal to zero.
$\displaystyle {z}^{{0}}$= Preview Question 6 Part 1 of 4  

Simplify the following expression completely.
$\displaystyle {\left({2}{y}+{3}\right)}^{{0}}$ = Preview Question 6 Part 2 of 4  

Simplify the following.
$\displaystyle {2}^{{0}}$ = Preview Question 6 Part 3 of 4  

Simplify the following expression completely.
$\displaystyle {2}{y}^{{0}}$ = Preview Question 6 Part 4 of 4