Q: What is the negative version of the number 21,721,100?
A: -21,721,100
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:
| 21,721,098 | 21,721,099 | 21,721,101 | 21,721,102 |
| -21,721,098 | -21,721,099 | -21,721,101 | -21,721,102 |