Q: What is the negative version of the number 40,138,921?
A: -40,138,921
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:
| 40,138,919 | 40,138,920 | 40,138,922 | 40,138,923 |
| -40,138,919 | -40,138,920 | -40,138,922 | -40,138,923 |