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Indices, SMB-021

Simplify  `((3y^3)/2)^(-2)`  and express as a fraction involving non-negative indices only.  (3 marks)

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`4/(9y^6)`

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`((3y^3)/2)^(-2)` `=(3^(-2)xxy^((3xx-2)))/(2^(-2))`
  `= (2^(2)xxy^(-6))/(3^(2))`
  `= 4/(9y^6)`

Filed Under: Indices Tagged With: num-title-ct-pathb, smc-4228-50-Negative indices

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