A ruler
In the middle of 0.4 and 0.5
make a numberline
You ca see it no a numberline]
yes because it is the same as adding positive (it is easier to use a numberline)
The distance from a number on a numberline to the origin, is called the absolute value.
It is 105.
A ruler
In the middle of 0.4 and 0.5
make a numberline
ambot nimo lolo nimo
You ca see it no a numberline]
They are unit intervals.
beacause they both go chronological order
4 units
1/infinity
-12