Question

THIS IS A TEST. DO NOT ANSWER THIS QUESTION

\(\dfrac{27\times x^2\times z}{-3\times x^2\times z^4}\Rightarrow\dfrac{-9\times\cancel{x^2}\times\cancel{z}}{\cancel{-3}\times\cancel{x^2}\times z^3}\Rightarrow \dfrac{-9}{z^3}\Rightarrow -9z^{-3}\)