Find the sum to n terms of the sequence, 8, 88, 888, 8888 . . . .

Explanation

To find the sum to n terms of the sequence 8, 88, 888, 8888, ..., we can follow these steps:

### Step 1: Write down the sequence
The sequence is:
\[ 8, 88, 888, 8888, \ldots \]

### Step 2: Express the sum of the first n terms
Let \( S_n \) be the sum of the first n terms:
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