Multiple Choice

A laboratory technician is simplifying a variable scale factor given by the expression (−2xy)−3\left(-\frac{2x}{y}\right)^{-3} for a chemical mixture. After applying the Quotient to a Negative Exponent Property, the technician notes that the final simplified result is −y38x3-\frac{y^3}{8x^3}. Which of the following rules best explains why the negative sign is preserved in the final result?

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Updated 2026-09-18

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