Q: What is the negative version of the number 21,155,278?
A: -21,155,278
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:
| 21,155,276 | 21,155,277 | 21,155,279 | 21,155,280 |
| -21,155,276 | -21,155,277 | -21,155,279 | -21,155,280 |