Algebra-1

Question Analysis
This question tests the student's ability to simplify an expression involving negative exponents by applying the rules of exponents. The key steps involve combining the exponents and ensuring the final expression has no negative exponents.

Key Concept Explanation
The rule for multiplying powers with the same base is . When dealing with negative exponents, the term can be moved to the denominator to make the exponent positive.

Step-by-step Solution
1. Combine the exponents: