Two points are located along a one dimensional coordinate system. The first point is at 2.1 cm and the second point is at 1.8 cm. What is the distance (in cm) between the two points? [Enter only the numerical value, not the unit cm.]

Distance = 0.3

Step-by-step explanation:

We have two point in a line (one dimension).

One point is at 2.1 units and 1.8 units.

The distance between two points can be calculated as the absolute value of the difference between the position of each point.

This can be derived from the distance formula for two dimensions:

Then, for this case, the distance is:

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step-by-step explanation: