Simplify the expression . The simplified expression is ______.
Answer & Analysis
Analysis
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 simplifying the fraction and simplifying the exponents.
Key Concept Explanation
The rule for dividing powers with the same base is . When dealing with negative exponents, the term can be moved to the numerator or denominator to make the exponent positive.
Step-by-step Solution
1. Apply the exponent rule for multiplication:
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