Q: What is the negative version of the number 405,421,520?
A: -405,421,520
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:
| 405,421,518 | 405,421,519 | 405,421,521 | 405,421,522 |
| -405,421,518 | -405,421,519 | -405,421,521 | -405,421,522 |