Q: What is the negative version of the number 21,449,840?
A: -21,449,840
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:
| 21,449,838 | 21,449,839 | 21,449,841 | 21,449,842 |
| -21,449,838 | -21,449,839 | -21,449,841 | -21,449,842 |