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(3rt^2)^2 (9rs^2t^3)^-2

User Paul Kim
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1 Answer

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( {3}^(2) {r}^(2) {t}^(4) )( \frac{1}{ {9}^(2) {r}^(2) {s}^(4) {t}^(6) } )

\frac{1}{9 {s}^(4) {t}^(2) }
User Ronencozen
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