Evaluate
-\frac{16}{81}\approx -0.197530864
Factor
-\frac{16}{81} = -0.19753086419753085
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-\left(\frac{2+1}{2}\right)^{-4}
Multiply 1 and 2 to get 2.
-\left(\frac{3}{2}\right)^{-4}
Add 2 and 1 to get 3.
-\frac{16}{81}
Calculate \frac{3}{2} to the power of -4 and get \frac{16}{81}.
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