Point B, situated between -1 and 0, likely represents -0.5, but without exact positioning or a visual reference, a more precise number cannot be determined from the information given.
The student's question is: "Which number does point B represent?" where point B is located between -1 and 0 on a number line. To determine the value that point B represents, we need to find a number that lies between these two integers. As we are only given that information and no exact position, we cannot determine the precise value of point B. However, if we look at the list provided, we can infer that the value is likely -0.5 as it is the number that lies exactly between -1 and 0.
The closest points on the provided list to -1 and 0 are -0.83 and -0.81, but since point B is described as being in between -1 and 0, -0.5 is a reasonable estimation if it's exactly halfway. If B were not exactly in the middle, a more precise answer would require additional context or a visual representation of point B's position on the number line.