Q: What is the negative version of the number 420,421,407?
A: -420,421,407
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:
| 420,421,405 | 420,421,406 | 420,421,408 | 420,421,409 |
| -420,421,405 | -420,421,406 | -420,421,408 | -420,421,409 |