Answer:
[tex]z^{7}[/tex]
Step-by-step explanation:
we have
[tex]\frac{x^{0}y^{5}}{y^{5}z^{-7}}[/tex]
we know that
[tex]x^{0}=1[/tex]
[tex]\frac{y^{5}}{y^{5}}=1[/tex]
[tex]\frac{1}{z^{-7}}=z^{7}[/tex]
substitute in the expression
[tex]\frac{x^{0}y^{5}}{y^{5}z^{-7}}=z^{7}[/tex]
