Solve Decimal Division: 0.123 ÷ 10 Step-by-Step

To solve this problem, we'll follow these steps:

• Step 1: Identify the given decimal number, $0.123$.
• Step 2: Apply the rule for dividing a decimal by $10$, which involves moving the decimal point one place to the left.
• Step 3: Perform the movement of the decimal point.

Now, let's work through each step:

Step 1: We have the decimal number $0.123$.

Step 2: The rule for dividing by $10$ tells us to move the decimal point one place to the left.

Step 3: Moving the decimal point one place to the left, $0.123$ becomes $0.0123$.

Therefore, the solution to the problem is $0.0123$.

Checking the answer against the choices, the correct choice is: : $0.0123$.