Arrange the following numbers in descending order :
63521047, 7354206, 63514759, 7355014, 102345680

Answer

To arrange the numbers 63521047, 7354206, 63514759, 7355014, and 102345680 in descending order, we will follow these steps:

### Step 1: Count the digits in each number
- 63521047 has 8 digits.
- 7354206 has 7 digits.
- 63514759 has 8 digits.
- 7355014 has 7 digits.
- 102345680 has 9 digits.

**Hint:** The number with the most digits is the largest.

### Step 2: Identify the largest number based on the number of digits
The number with the most digits is 102345680 (9 digits). Therefore, it is the largest number.

**Hint:** Compare the number of digits first to find the largest number.

### Step 3: Compare the remaining numbers (8-digit and 7-digit numbers)
Now we have two 8-digit numbers: 63521047 and 63514759. We will compare these two numbers digit by digit:
- 1st digit: 6 (same)
- 2nd digit: 3 (same)
- 3rd digit: 5 (same)
- 4th digit: 2 (greater in 63521047)

Since 2 > 1, 63521047 is greater than 63514759.

**Hint:** When comparing numbers with the same number of digits, look at each digit from left to right.

### Step 4: Compare the two 7-digit numbers
Now we will compare the two 7-digit numbers: 7354206 and 7355014.
- 1st digit: 7 (same)
- 2nd digit: 3 (same)
- 3rd digit: 5 (same)
- 4th digit: 4 (less than 5 in 7355014)

Since 4 < 5, 7355014 is greater than 7354206.

**Hint:** Again, compare each digit from left to right until you find a difference.

### Step 5: Compile the numbers in descending order
Now we can list the numbers in descending order:
1. 102345680 (largest)
2. 63521047
3. 63514759
4. 7355014
5. 7354206 (smallest)

### Final Answer:
The numbers in descending order are:
102345680, 63521047, 63514759, 7355014, 7354206.