Solve: 1.09 × 100 - Decimal Multiplication Practice

To solve the problem of multiplying 1.09 by 100, follow these steps:

• Step 1: Recognize the multiplication of a decimal by 100 requires shifting the decimal point two places to the right.
• Step 2: Start with the number $1.09$.
• Step 3: Shift the decimal point two places to the right:
  From $1.09$ to $109.$ (The final decimal point is not necessary to write).

Therefore, the result of $1.09 \times 100$ is $109$.

The correct answer from the multiple choices given is option 2: $109$.