Q: What is the negative version of the number 21,516,180?
A: -21,516,180
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:
| 21,516,178 | 21,516,179 | 21,516,181 | 21,516,182 |
| -21,516,178 | -21,516,179 | -21,516,181 | -21,516,182 |