Q: What is the negative version of the number 155,421,309?
A: -155,421,309
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:
| 155,421,307 | 155,421,308 | 155,421,310 | 155,421,311 |
| -155,421,307 | -155,421,308 | -155,421,310 | -155,421,311 |