Одно из чисел: 5/9, 11/9, 13/9, 14/9 отмечено на прямой точкой.

The number 0.5 is marked on the number line. 5/9 is approximately 0.55. 11/9 is approximately 1.22. 13/9 is approximately 1.44. 14/9 is approximately 1.55. Therefore, none of the given fractions are marked on the number line at 0.5.