Q: What is the negative version of the number 420,421,409?
A: -420,421,409
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:
| 420,421,407 | 420,421,408 | 420,421,410 | 420,421,411 |
| -420,421,407 | -420,421,408 | -420,421,410 | -420,421,411 |