(35)4 * 311/329 =

$$\frac{(3^5)^4 \cdot 3^{11}}{3^{29}} = \frac{3^{5 \cdot 4} \cdot 3^{11}}{3^{29}} = \frac{3^{20} \cdot 3^{11}}{3^{29}} = \frac{3^{20+11}}{3^{29}} = \frac{3^{31}}{3^{29}} = 3^{31-29} = 3^2 = 9$$.

Ответ: $$9$$