Algebra-2

Question Analysis
This problem assesses the understanding of the sum of the elements in a row of Pascal's Triangle.

Key Concept Explanation
The sum of the elements in the -th row of Pascal's Triangle is . This is because each element in the row represents a binomial coefficient, and the sum of all binomial coefficients for a given is .

Step-by-step Solution
1. Identify the row: The 8th row (since

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