Answer: Choice C: none of the above
Explanation:
The distance between two numbers would be |(number 1) - (number 2)|
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Given
Number 1=-3.9
Number 2=-4.7
|(number 1) - (number 2)|
=|(-3.9) - (-4.7)|
=|-3.9+4.7|
The choice is not available.
Therefore, it is none of the above.
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