Q: What is the negative version of the number 18,721,131?
A: -18,721,131
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:
| 18,721,129 | 18,721,130 | 18,721,132 | 18,721,133 |
| -18,721,129 | -18,721,130 | -18,721,132 | -18,721,133 |