Q: What is the negative version of the number 231,129,989?
A: -231,129,989
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:
| 231,129,987 | 231,129,988 | 231,129,990 | 231,129,991 |
| -231,129,987 | -231,129,988 | -231,129,990 | -231,129,991 |