What is the representation denotes a line segment?

What is the decimal representation of 5/10 .

Which of the following represents line segment?

Visualise the representation of 3.5bar8 on the number line through successive magnification upto 4 decimal places.

What does the word ‘niche’ denote ?

Visualise the representation of 4.bar(35) on the number line through successive magnification upto 4 decimal places.

Find the points of trisection of the line segment joining (2,3) and (11,6).