The number closest to 0 is the number whose absolute difference from 0 is the smallest
0.5 is the closest number to 0
The numbers are given as:
–4, 3, 0. 5, 1
Calculate their absolute difference with 0
|-4 - 0| = 4
|3 - 0| = 3
|0.5 - 0| = 0.5
|1 - 0| = 1
The smallest absolute difference is 0.5
Hence, 0.5 is the closest number to 0
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