Q: What is the negative version of the number 21,531,825?
A: -21,531,825
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:
| 21,531,823 | 21,531,824 | 21,531,826 | 21,531,827 |
| -21,531,823 | -21,531,824 | -21,531,826 | -21,531,827 |