Q: What is the negative version of the number 21,518,428?
A: -21,518,428
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:
| 21,518,426 | 21,518,427 | 21,518,429 | 21,518,430 |
| -21,518,426 | -21,518,427 | -21,518,429 | -21,518,430 |