Q: What is the negative version of the number 155,431,921?
A: -155,431,921
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:
| 155,431,919 | 155,431,920 | 155,431,922 | 155,431,923 |
| -155,431,919 | -155,431,920 | -155,431,922 | -155,431,923 |