`97.2bar81 xx 100 `

Explanation

To solve the question \( 97.2\overline{81} \times 100 \), we will follow these steps:

### Step 1: Understand the repeating decimal
The notation \( 97.2\overline{81} \) indicates that the digits "81" repeat indefinitely. Therefore, we can express this number as:
\[ 97.281818181... \]

### Step 2: Multiply by 100
When we multiply a number by 100, we shift the decimal point two places to the right. Thus, we perform the multiplication as follows:
...