Q: What is the negative version of the number 215,013,209?
A: -215,013,209
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:
| 215,013,207 | 215,013,208 | 215,013,210 | 215,013,211 |
| -215,013,207 | -215,013,208 | -215,013,210 | -215,013,211 |