Q: What is the negative version of the number 129,921,642?
A: -129,921,642
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:
| 129,921,640 | 129,921,641 | 129,921,643 | 129,921,644 |
| -129,921,640 | -129,921,641 | -129,921,643 | -129,921,644 |