Algebra-1

Question Analysis
This question tests the student's ability to apply the concept of odd roots of negative exponents in a real-world context. It requires the student to understand how the concentration of a substance changes over time and to simplify the given expression.

Key Concept Explanation
The key concept here is that for any real number and odd integer , . This property allows us to simplify the given expression by breaking it down into simpler components.

Step-by-step Solution
1. Identify the base and the exponent:

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