Q: What is the negative version of the number 21,155,000?
A: -21,155,000
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:
| 21,154,998 | 21,154,999 | 21,155,001 | 21,155,002 |
| -21,154,998 | -21,154,999 | -21,155,001 | -21,155,002 |