Question

round 3.965 to the nearest tenth.

Explanation:

Step1: Identify the tenths place

The tenths digit in 3.965 is 9.

Step2: Check the hundredths digit

The hundredths digit is 6, which is ≥5.

Step3: Round up the tenths place

Add 1 to 9: $9 + 1 = 10$. Carry over 1 to the ones place: $3 + 1 = 4$, set tenths place to 0.
Result: $4.0$

Answer:

4.0