Q: What is the negative version of the number 129,921,643?
A: -129,921,643
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:
| 129,921,641 | 129,921,642 | 129,921,644 | 129,921,645 |
| -129,921,641 | -129,921,642 | -129,921,644 | -129,921,645 |