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On the number line, point C has coordinate \(2.5\) and point D has coordinate \(4\). What is the distance between C and D?

Answer and explanation

Correct answer: 1.5 units

The distance between two points on a number line is the absolute difference of their coordinates. Thus, the distance is \(|4-2.5|=1.5\) units. Option C is only the greater coordinate, while option D is the sum of the coordinates. In an exam, use the absolute difference for distance so that the answer is positive.

Related tags

PolynomialsNumber LineReal NumbersDecimal SubtractionDistanceRepresenting Real Numbers On The Number LineMathematicsClass 10 Mcq

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