Question

$2 \sqrt{50}$

Answer 1

50|2
25|5
5|5
2

$2 \times \sqrt{50} \\ 2 \times \sqrt{5 \times 5 \times 2} \\ 2 \times \sqrt{5 {}^{2} \times 2} \\ 2 \times 5 \times \sqrt{2} \\ 10 \times \sqrt{2}$

Answer 2

$2 \sqrt{50} = 2 \times 7.07 \\ x = 14.14$