how do i solve -(4/3^2)^-2

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-(4/3²)^-2 -(4/9)^-2 (simplify expression in parens) -(1/(4/9)²) (rewrite expression in parens as                 fraction with positive exponent) -(1/(16/81)) (apply exponent in denominator) -(1 x 81/16) = -81/16 (flip denominator                                 fraction and apply                                 minus sign to result)