3.45 Rounded to the Nearest Tenth

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What is 3.45 rounded to the nearest tenth?

Answer

3.45 rounded to the nearest tenth is
3.5

Nearest tenth — 1 decimal place. The hundredths digit decides: 5⁠–⁠9 round up, 0⁠–⁠4 keep.

Exactly halfway between 3.4 and 3.5 — equally close to both. The halfway rule rounds away from zero, as in school and Excel ROUND: 3.5. Round half to even (banker's rounding) gives 3.4.

3.45

4 tenths place 5 The hundredths digit decides

3.45
3.4 3.5halfway → away from zero

midpoint 3.45

5 with only zeros after it → halfway, away from zero: 3.5

3.45 rounded to every place
PlaceRounded
to the nearest thousandth3.450
to the nearest hundredth3.45
to the nearest tenth3.5
to the nearest whole number3
to the nearest ten0

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Numbers rounded to the nearest tenth

NumberRounded
3.0063.0
3.033.0
3.053.1
3.063.1
3.083.1
3.143.1
3.163.2
3.23.2
3.2493.2
3.253.3
3.2513.3
3.2753.3
3.323.3
3.3413.3
3.3753.4
3.453.5
3.463.5
3.483.5
3.53.5
3.523.5
3.5353.5
3.553.6
3.63.6
3.6193.6
3.633.6
3.673.7
3.753.8
3.873.9
44.0
4.084.1

FAQ

What is 3.45 rounded to the nearest tenth?

3.45 rounded to the nearest tenth is 3.5

Is 3.45 closer to 3.4 or 3.5?

Equally close — 0.05 from each. The halfway rule rounds away from zero, to 3.5; round half to even (banker's rounding) gives 3.4.

How many decimal places does rounding to the nearest tenth keep?

One: the answer always has exactly 1 digit after the decimal point, trailing zeros included — 3.45 → 3.5.

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