Q: What is the negative version of the number 21,521,000?
A: -21,521,000
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:
| 21,520,998 | 21,520,999 | 21,521,001 | 21,521,002 |
| -21,520,998 | -21,520,999 | -21,521,001 | -21,521,002 |