Q: What is the negative version of the number 400,121,521?
A: -400,121,521
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:
| 400,121,519 | 400,121,520 | 400,121,522 | 400,121,523 |
| -400,121,519 | -400,121,520 | -400,121,522 | -400,121,523 |