Algebra-1

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

Key Concept Explanation
The key concept here is the rule for multiplying powers with the same base, which states that when you multiply two powers with the same base, you add their exponents.

Step-by-step Solution
1. Combine the coefficients:
2. Apply the exponent rule:

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