Вычислите: 8^-1+6^-2.

\[8^{- 1} + 6^{- 2} = \frac{1}{8} + \frac{1}{6^{2}} = \frac{1}{8} + \frac{1}{36} =\]

\[= \frac{9 + 2}{72} = \frac{11}{72}\]