A number in the from ab where b is not equal to 0 mean?

In mathematics, a number in the form ab, where b is not equal to 0, typically represents a two-digit number. The digit "a" is in the tens place, and the digit "b" is in the units place. For example, if a = 3 and b = 5, then the number would be 35. This notation helps distinguish between the place values of the digits in the number.