Q: What is the negative version of the number 21,008,209?
A: -21,008,209
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:
| 21,008,207 | 21,008,208 | 21,008,210 | 21,008,211 |
| -21,008,207 | -21,008,208 | -21,008,210 | -21,008,211 |