Answer:
0.4
Step-by-step explanation:
The number line shows 0 to 1
We can eliminate options A and C because they are greater than 1
There are 10 lines in total
That would be 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1
z is located on the fourth line
So z would be 0.4