Q: What is the negative version of the number 21,000,131?
A: -21,000,131
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:
| 21,000,129 | 21,000,130 | 21,000,132 | 21,000,133 |
| -21,000,129 | -21,000,130 | -21,000,132 | -21,000,133 |