Algebra-2

Question Analysis
This problem assesses the understanding of odd roots and their properties, specifically for the seventh root.

Key Concept Explanation
For an odd root (n is odd), any real number has exactly one real root. Here, we need to find the principal seventh root of -16,384.

Step-by-step Solution
1. Identify the given expression:
2. Recognize that -16,384 can be written as

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