Decimal Place Analysis: Finding Matching Digits in Thousandths, Hundredths, and Tenths

To solve this problem, we need to analyze each provided number according to the specified criteria.

Let's examine each number from the choices:

• Choice 1: 123.123
  • a) Thousandths = 3, Ones = 3. They are identical.
  • b) Tens = 2, Hundredths = 2. They are identical.
  • c) Hundreds = 1, Tenths = 1. They are identical.
• Choice 2: 123.321
  • a) Thousandths = 1, Ones = 3. Not identical.
• Choice 3: 123.312
  • a) Thousandths = 2, Ones = 3. Not identical.
• Choice 4: 123.213
  • a) Thousandths = 3, Ones = 3. They are identical.
  • b) Tens = 1, Hundredths = 1. They are identical.
  • c) Hundreds = 1, Tenths = 2. Not identical.

Based on this analysis, the only number that satisfies all three conditions is 123.123.

Therefore, the solution to the problem is 123.123.