Q: What is the negative version of the number 215,304,639?
A: -215,304,639
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:
| 215,304,637 | 215,304,638 | 215,304,640 | 215,304,641 |
| -215,304,637 | -215,304,638 | -215,304,640 | -215,304,641 |