Q: What is the negative version of the number 721,565,644?
A: -721,565,644
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:
721,565,642 | 721,565,643 | 721,565,645 | 721,565,646 |
-721,565,642 | -721,565,643 | -721,565,645 | -721,565,646 |