Q: What is the negative version of the number 666,009?

A: -666,009

Why is -666,009 the negative of 666,009?

Negative numbers are usually written with - in front of them. They represent a number that is less than zero.

Here are more examples of negative numbers in sequence:

666,007	666,008	666,010	666,011
-666,007	-666,008	-666,010	-666,011

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