**The Difference between the Place Value of Two 9's in the Number 9,90,148**

When we look at the number 9,90,148, we can see that it consists of three digits: 9, 0, and 1. In order to find the difference between the place value of the two 9's, we need to identify the place value of each 9 first.

**Identifying the Place Value of Each 9:**

1. The first 9 is in the thousands place, as it is the leftmost digit in the number.

- Its place value is determined by multiplying the digit by the place value of the position it occupies. In this case, the first 9 is in the thousands place, so its place value is 9 x 1000 = 9000.

2. The second 9 is in the hundreds place, as it is the third digit from the right.

- Its place value is determined by multiplying the digit by the place value of the position it occupies. In this case, the second 9 is in the hundreds place, so its place value is 9 x 100 = 900.

**Calculating the Difference:**

To find the difference between the place value of the two 9's, we subtract the place value of the second 9 from the place value of the first 9.

9000 - 900 = 8100

Therefore, the difference between the place value of the two 9's in the number 9,90,148 is 8100.

**Summary:**

- The first 9 in the number 9,90,148 is in the thousands place, with a place value of 9000.
- The second 9 in the number 9,90,148 is in the hundreds place, with a place value of 900.
- The difference between the place value of the two 9's is calculated by subtracting the place value of the second 9 (900) from the place value of the first 9 (9000), resulting in a difference of 8100.