Q: What is the negative version of the number 61,515,509?
A: -61,515,509
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:
| 61,515,507 | 61,515,508 | 61,515,510 | 61,515,511 |
| -61,515,507 | -61,515,508 | -61,515,510 | -61,515,511 |