To round 3.16 to the nearest tenth, follow these steps:
- Identify the tenths place: In 3.16, the tenths place is the first digit after the decimal point. Here, it is 1.
- Look at the hundredths place: This is the second digit after the decimal point, which is 6.
- Apply the rounding rule: If the hundredths digit is 5 or greater, round the tenths digit up by one. Since 6 ≥ 5, you round the 1 in the tenths place up to 2.
- Rewrite the number: After rounding, the number becomes 3.2.
Summary: 3.16 rounded to the nearest tenth is 3.2.