Short Answer

Identifying the Initial Property in Scaling Calculations

A quality assurance trainee is reviewing a standard operating procedure for scaling production models. The manual demonstrates simplifying the scaling factor (34)−2\left(\frac{3}{4}\right)^{-2} by first rewriting it as 1(34)2\frac{1}{\left(\frac{3}{4}\right)^2}. State the specific mathematical definition or rule that justifies this first step in the derivation.

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Updated 2026-09-19

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