\[10y^{3} + y^{2} + 10y + 1 =\]
\[= y^{2}(10y + 1) + (10y + 1) =\]
\[= (10y + 1)(y^{2} + 1)\]
\[при\ y = 0,3:\]
\[(10 \cdot 0,3 + 1)\left( {0,3}^{2} + 1 \right) =\]
\[= 4 \cdot (0,09 + 1) =\]
\[= 4 \cdot 1,09 = 4,36.\]