Algebra-1

Question Analysis
This question tests the student's ability to simplify an expression involving negative exponents by applying the rules of exponents.

Key Concept Explanation
The key concept is that when multiplying powers with the same base, you add the exponents. For negative exponents, you can rewrite them as positive exponents in the denominator.

Step-by-step Solution
1. Apply the exponent rule for multiplication:
2. The simplified expression is

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