Write the radical using rational exponents.

RootIndex 7 StartRoot x Superscript negative 2 EndRoot
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Part 1
RootIndex 7 StartRoot x Superscript negative 2 EndRootequals
  
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​(Use integers or fractions for any numbers in the​ expression.)

The radical expression RootIndex 7 StartRoot x Superscript negative 2 EndRoot can be written as x^(-2/7).