Q: What is the negative version of the number 21,578,742?
A: -21,578,742
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:
| 21,578,740 | 21,578,741 | 21,578,743 | 21,578,744 |
| -21,578,740 | -21,578,741 | -21,578,743 | -21,578,744 |