Q: What is the negative version of the number 21,615,672?
A: -21,615,672
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:
| 21,615,670 | 21,615,671 | 21,615,673 | 21,615,674 |
| -21,615,670 | -21,615,671 | -21,615,673 | -21,615,674 |