Вычислить: √46/16 ; √50/81

$$\sqrt{\frac{16}{16}} = \frac{\sqrt{16}}{\sqrt{16}} = \frac{4}{4} =1$$

$$\sqrt{\frac{50}{81}} = \frac{\sqrt{50}}{\sqrt{81}} = \frac{\sqrt{25 \cdot 2}}{9} = \frac{5\sqrt{2}}{9} \approx \frac{5 \cdot 1.41}{9} = \frac{7.05}{9} \approx 0.78$$