Q: What is the negative version of the number 290,723,921?
A: -290,723,921
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:
| 290,723,919 | 290,723,920 | 290,723,922 | 290,723,923 |
| -290,723,919 | -290,723,920 | -290,723,922 | -290,723,923 |