45 Rounded to the Nearest Tenth

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What is 45 rounded to the nearest tenth?

Answer

45 rounded to the nearest tenth is
45.0

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

45.00

0 tenths place (not written, so 0) 0 The hundredths digit decides (not written, so 0)

45
45.0exact 45.05midpoint 45.1

nothing after the tenths place → 45.0 stays

45 rounded to every place
PlaceRounded
to the nearest thousandth45.000
to the nearest hundredth45.00
to the nearest tenth45.0
to the nearest whole number45
to the nearest ten50
to the nearest hundred0

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Numbers rounded to the nearest tenth

NumberRounded
4040.0
41.16441.2
41.6441.6
42.26842.3
42.442.4
42.742.7
42.737542.7
42.842.8
43.12343.1
43.2543.3
43.58643.6
43.643.6
43.9644.0
43.9844.0
4444.0
4545.0
4646.0
46.83246.8
47.8247.8
4848.0
48.07848.1
48.2348.2
50.2450.2
5252.0
52.552.5
52.75252.8
5555.0
56.5256.5
56.83456.8
57.3810557.4

FAQ

What is 45 rounded to the nearest tenth?

45 rounded to the nearest tenth is 45.0

Does 45 change when rounded to the nearest tenth?

No. There are no non-zero digits after the tenths place, so 45 rounded to the nearest tenth is 45.0 — the same value, written in the form of the place.

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 — 45 → 45.0.

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