Q: What is the negative version of the number 21,154,021?
A: -21,154,021
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:
| 21,154,019 | 21,154,020 | 21,154,022 | 21,154,023 |
| -21,154,019 | -21,154,020 | -21,154,022 | -21,154,023 |