Q: What is the negative version of the number 31,421,210?
A: -31,421,210
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:
| 31,421,208 | 31,421,209 | 31,421,211 | 31,421,212 |
| -31,421,208 | -31,421,209 | -31,421,211 | -31,421,212 |