Let's divide 302100 by 10
The aim is to understand the frequency of 10 in 302100.

On to step 1:
When dividing 3 by 10, we get 0 with a remainder of 3.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 3, we end up with 3.
Grab the next digit (0) from the dividend, add it to 3, then carry on: 30 / 10

Step 2:
30 divided by 10 is 3 with a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 3.0
Deduct 30 from 30 and we're left with 0.
Grab the next digit (2) from the dividend, add it to 0, then carry on: 2 / 10

Going ahead to step 3:
2 divided by 10 is 0 with a remainder of 2.
The number 0 becomes the next digit in our result. 
Result so far: 30.0
Subtract 0 from 2 to get 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 10

Step 4:
21 divided by 10 is 2 with a remainder of 1.
Put 2 as the next digit of the answer. 
Result so far: 302.0
Subtracting 20 from 21 leaves us with 1.
Take the next digit (0) from the dividend and append it to 1, then repeat: 10 / 10

Going ahead to step 5:
If we divide 10 by 10, we get 1 and a remainder of 0.
The number 1 becomes the next digit in our result. 
Result so far: 3021.0
Subtract 10 from 10 to get 0.
Fetch the next digit (0) from the dividend, attach it to 0 and continue: 0 / 10

Let's proceed to step 6:
10 can be fit into 0 0 times, resulting in a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 30210.0
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 7:
The number 10 fits into 0 0 times, leaving a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 30210.0
Deduct 0 from 0 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 8:
When dividing 0 by 10, we get 0 with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 30210.0
The remainder is 0 after subtracting 0 from 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

The final result is 30210.0 with a remainder of 0.0.