Q: What is the negative version of the number 215,312,861?
A: -215,312,861
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:
| 215,312,859 | 215,312,860 | 215,312,862 | 215,312,863 |
| -215,312,859 | -215,312,860 | -215,312,862 | -215,312,863 |