What are the first 15 periods in math?

Answer 1

A period is a group of 3 digits in a number.

For example: 6,756,215,985,000,000 .this number has 5 periods, because every group of 3 digits counts as a period.

Another example: 214,587,425. this number has 3 periods.

another example: 12. this number has 0 periods.

another example: 54,554,215,487,256,542,154,252,563,253,256,896,585,487,545,468. (this number has 15 periods.)

well...I hope I helped! :)