Dividing one rational monomial by another monomial and simplify

The video tutorial explains how to handle division by using reciprocals, multiply fractions, and simplify expressions involving exponents. It highlights the importance of understanding negative exponents and correcting common mistakes in simplification. The teacher provides step-by-step guidance and clarifies errors to ensure comprehension of mathematical concepts.

Explain the importance of multiplying by the reciprocal when dividing fractions.

What is the final answer for the expression after simplification?