Answer:
-z⁻⁵w²
Step-by-step explanation:
(-z⁻²w²){(z⁻²)⁻¹}
simplify each first
{(z⁻²)⁻¹} = z⁻²⁻¹ = z⁻³
(-z⁻²w²) z⁻³
-z⁻² z⁻³ w²)
-z⁻²⁺⁽⁻³⁾w²
-z⁻²⁻³w²
