Q: What is the negative version of the number 421,010,399?
A: -421,010,399
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:
| 421,010,397 | 421,010,398 | 421,010,400 | 421,010,401 |
| -421,010,397 | -421,010,398 | -421,010,400 | -421,010,401 |