Q: What is the negative version of the number 309,920,521?
A: -309,920,521
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:
| 309,920,519 | 309,920,520 | 309,920,522 | 309,920,523 |
| -309,920,519 | -309,920,520 | -309,920,522 | -309,920,523 |