\[\boxed{\text{228\ (228).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ 4 = 2^{2};\ 8 = 2^{3};\ \ \ 16 = 2^{4};\ \ \]
\[32 = 2^{5};\ \ 64 = 2^{6}\]
\[2)\ 100 = 10^{2};\ \ \ 1000 = 10^{3};\ \ \ \]
\[10\ 000 = 10^{4};\ \ 1\ 000\ 000 = 10^{6}\]
\[\boxed{\text{228.\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[1)\ если\ a = - \frac{1}{6}:\]
\[18a^{2} = 18 \cdot \left( - \frac{1}{6} \right)^{2} = \ \frac{18 \cdot 1}{36} =\]
\[= \frac{1}{2} = 0,5.\]
\[2)\ если\ a = - \frac{1}{6}:\]
\[\left( 18a^{2} \right) = \left( 18 \cdot \left( - \frac{1}{6} \right) \right)^{2} =\]
\[= ( - 3)^{2} = 9.\]
\[3)\ если\ b = - 2:\]
\[6 + b^{4} = 6 + ( - 2)^{4} =\]
\[= 6 + 16 = 22.\]
\[4)\ если\ b = - 2,:\ \]
\[(6 + b)^{4} = (6 - 2)^{4} =\]
\[= 4^{4} = 256.\]