Algebra-1

Question Analysis
This question tests the understanding of rational exponents and their relationship to roots. It requires students to apply the definition of rational exponents and simplify the given expression.

Key Concept Explanation
The expression can be interpreted as the nth root of or . In this case, can be simplified by first finding the square root of 49 and then raising the result to the power of 3.

Step-by-step Solution
1. Interpret the exponent:

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