Q: What is the negative version of the number 21,660,156?
A: -21,660,156
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:
| 21,660,154 | 21,660,155 | 21,660,157 | 21,660,158 |
| -21,660,154 | -21,660,155 | -21,660,157 | -21,660,158 |