Q: What is the negative version of the number 155,121,640?
A: -155,121,640
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:
| 155,121,638 | 155,121,639 | 155,121,641 | 155,121,642 |
| -155,121,638 | -155,121,639 | -155,121,641 | -155,121,642 |