Q: What is the negative version of the number 21,150,000?
A: -21,150,000
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:
21,149,998 | 21,149,999 | 21,150,001 | 21,150,002 |
-21,149,998 | -21,149,999 | -21,150,001 | -21,150,002 |