Evaluate
\frac{121}{81}\approx 1.49382716
Factor
\frac{11 ^ {2}}{3 ^ {4}} = 1\frac{40}{81} = 1.4938271604938271
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\left(-\frac{9}{11}\right)^{-2}
Fraction \frac{-9}{11} can be rewritten as -\frac{9}{11} by extracting the negative sign.
\frac{121}{81}
Calculate -\frac{9}{11} to the power of -2 and get \frac{121}{81}.
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