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Which statement about (2.4) and (-2.4) on the number line is correct?

Answer and explanation

Correct answer: they are equally far from (0)

The direct answer is option A: the two numbers are equally far from zero. On a number line, positive numbers lie to the right and negative numbers lie to the left. Distance from zero is measured by absolute value: \(|2.4|=2.4\) and \(|-2.4|=2.4\). Hence both points are 2.4 units from zero, although they are on opposite sides. Option A is correct. Option B is wrong because \(-2.4\) is left of zero. Option C is wrong because \(2.4\) is right of zero. Option D is wrong because neither point is zero, so their distances from zero are not zero. The sign shows direction; the absolute value shows distance.

Related tags

Opposite-NumbersDecimalsNumber-Line

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