Short Answer

Simplifying Variable Expressions in Technical Manuals

A quality control technician is reviewing a system specification sheet that uses the variable expressions x−6x^{-6} and (u4)−3(u^4)^{-3}, where xx and uu represent non-zero measurements. To comply with modern reporting standards, the technician must rewrite these expressions using only positive exponents. According to the definition of negative exponents and the power property of exponents, what are the simplified forms of these two expressions?

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Updated 2026-09-18

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