The following numbers are shown on the number line: −1.8, 0.8, 3.1, −1.2, 234. Which number is represented by point B?

To determine which number is represented by point B, we need to identify which number corresponds to the middle point on the number line.

From least to greatest, the numbers are: −1.8, −1.2, 0.8, 3.1, 234.

Therefore, the number represented by point B is 0.8.

To determine which number is represented by point B, we need to know the placements of the given numbers on the number line.

Given numbers on the number line:
-1.8, 0.8, 3.1, -1.2, 234

However, the position of point B has not been provided. Could you please provide the position or any additional information related to point B on the number line?