Nearest thousandthr

Look at the digit immediately to its right (the ten-thousandths digit).

• If the ten-thousandths digit is 5 or greater, round up the thousandths digit.
• If the ten-thousandths digit is less than 5, keep the thousandths digit as it is.
• Drop all digits to the right of the thousandths place.

• For 13.4625, the thousandths digit is 2, and the digit to its right is 5. Rounding up gives $\boxed{13.463}$. Student's answer: 13.4630 (Correct).
• For 73.8063, the thousandths digit is 6, and the digit to its right is 3. Keeping the digit gives $\boxed{73.806}$. Student's answer: 73.8060 (Correct).
• For 92.7352, the thousandths digit is 5, and the digit to its right is 2. Keeping the digit gives $\boxed{92.735}$. Student's answer: 92.7350 (Correct).
• For 85.0267, the thousandths digit is 6, and the digit to its right is 7. Rounding up gives $\boxed{85.027}$. Student's answer: 85.0270 (Correct).
• For 39.1432, the thousandths digit is 3, and the digit to its right is 2. Keeping the digit gives $\boxed{39.143}$. Student's answer: 39.1430 (Correct).
• For 182.0051, the thousandths digit is 5, and the digit to its right is 1. Keeping the digit gives $\boxed{182.005}$. Student's answer: 182.0050 (Correct).

• Original number: 128.0001
• The thousandths digit is 0. The digit to its right (ten-thousandths) is 1.
• Since $1 < 5$, the thousandths digit should remain 0.
• The correct rounding is $\boxed{128.000}$.
• Student's answer: 128.0080 (Incorrect).

• Original number: 67.925
• The thousandths digit is 5. There is no digit to its right, or it can be considered 0.
• Since $0 < 5$, the thousandths digit should remain 5.
• The correct rounding is $\boxed{67.925}$.
• Student's answer: 67.930 (Incorrect).