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Simplifying Variable Radicands in Industrial Design

In a facilities management blueprint, the area of a square ventilation grate is represented by the variable expression z30z^{30}. To determine the side length, a technician must simplify the square root of the area, z30\sqrt{z^{30}}. Based on the standard mathematical rule for finding the principal square root of a variable raised to an even power, what specific operation must be performed on the exponent 30, and what is the resulting simplified expression for the side length? (Assume z0z \ge 0).

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Updated 2026-04-18

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