8. Вычислите: $$55 \cdot \sqrt{1 \frac{48}{121}}$$

$$55 \cdot \sqrt{1 \frac{48}{121}} = 55 \cdot \sqrt{\frac{169}{121}} = 55 \cdot \frac{\sqrt{169}}{\sqrt{121}} = 55 \cdot \frac{13}{11} = 5 \cdot 13 = 65$$

Ответ: 65