Multiple Choice

An inventory manager is simplifying a stock turnover ratio represented by the expression r5rβˆ’4\frac{r^5}{r^{-4}}. While applying the Quotient Property for Exponents, they rewrite the subtraction of the exponents, 5βˆ’(βˆ’4)5 - (-4), as the addition 5+45 + 4. Which arithmetic principle are they recalling to justify this change?

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Updated 2026-04-21

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