How you know that the values of the digit 5 in the numbers 150000 and 100500 are not the same?

In the number 150000, the digit 5 is in the ten-thousands place, which represents a value of 50,000. In contrast, in the number 100500, the digit 5 is in the hundreds place, representing a value of 500. Since these two digits occupy different places and contribute different values to their respective numbers, their values are not the same.