Q: What is the negative version of the number 18,215,021?
A: -18,215,021
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:
| 18,215,019 | 18,215,020 | 18,215,022 | 18,215,023 |
| -18,215,019 | -18,215,020 | -18,215,022 | -18,215,023 |