Вычислите: -3*(1/3)^3.

\[- 3 \cdot \left( \frac{1}{3} \right)^{3} = - \frac{3}{3^{3}} = - \frac{1}{3^{3 - 1}} =\]

\[= - \frac{1}{3^{2}} = - \frac{1}{9}.\]