Q: What is the negative version of the number 21,210,207?
A: -21,210,207
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:
| 21,210,205 | 21,210,206 | 21,210,208 | 21,210,209 |
| -21,210,205 | -21,210,206 | -21,210,208 | -21,210,209 |