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42.4 Rounded to the Nearest Tenth

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What is 42.4 rounded to the nearest tenth?

Answer

42.4 rounded to the nearest tenth is

42.4

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

42.40

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

42.4

42.4exact 42.45midpoint 42.5

nothing after the tenths place → 42.4 stays

42.4 rounded to every place
Place	Rounded
to the nearest thousandth	42.400
to the nearest hundredth	42.40
to the nearest tenth	42.4
to the nearest whole number	42
to the nearest ten	40
to the nearest hundred	0

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42.4 as a fraction in simplest form

See Also

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42.4 Rounded to the Nearest Tenth. 42.4 rounded to the nearest tenth is 42.4: there are no non-zero digits after the tenths place, so the value does not change.

https://calculat.io/en/number/round-to-the-nearest/42.4--tenth/generated.jpg

Numbers rounded to the nearest tenth

Number	Rounded
31.4	31.4
32	32.0
34	34.0
34.6504	34.7
35.6	35.6
36.165	36.2
36.96	37.0
36.978123	37.0
37.5	37.5
37.68	37.7
38.24	38.2
40	40.0
41.164	41.2
41.64	41.6
42.268	42.3
42.4	42.4
42.7	42.7
42.7375	42.7
42.8	42.8
43.123	43.1
43.25	43.3
43.586	43.6
43.6	43.6
43.96	44.0
43.98	44.0
44	44.0
45	45.0
46	46.0
46.832	46.8
47.82	47.8

Recalculate with different values ↑

FAQ

What is 42.4 rounded to the nearest tenth?

42.4 rounded to the nearest tenth is 42.4

Does 42.4 change when rounded to the nearest tenth?

No. There are no non-zero digits after the tenths place, so 42.4 rounded to the nearest tenth is 42.4 — the same value.

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 — 42.4 → 42.4.