Q: What is the negative version of the number 215,464,221?
A: -215,464,221
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:
| 215,464,219 | 215,464,220 | 215,464,222 | 215,464,223 |
| -215,464,219 | -215,464,220 | -215,464,222 | -215,464,223 |