Q: What is the negative version of the number 21,540,154?
A: -21,540,154
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:
| 21,540,152 | 21,540,153 | 21,540,155 | 21,540,156 |
| -21,540,152 | -21,540,153 | -21,540,155 | -21,540,156 |