Question

why there are arrows on start and the end of number line?​

Answer 1

Step-by-step explanation:

heya..............

Two integers that are the same distance from the origin in opposite directions are called opposites. The arrows on each end of the number line show us that the line stretches to infinity in both the negative and positive direction. We don't have to include a positive sign (+) when we write positive numbers.

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Answer 2

Hey mate ,

A line is represented by arrows at its end because a line can travel straight to infinity as it should - infinity on its left side and + infinity on its right side and it never ends .

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