17.8 Rounded to the Nearest Tenth

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What is 17.8 rounded to the nearest tenth?

Answer

17.8 rounded to the nearest tenth is
17.8

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

17.80

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

17.8
17.8exact 17.85midpoint 17.9

nothing after the tenths place → 17.8 stays

17.8 rounded to every place
PlaceRounded
to the nearest thousandth17.800
to the nearest hundredth17.80
to the nearest tenth17.8
to the nearest whole number18
to the nearest ten20
to the nearest hundred0

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Numbers rounded to the nearest tenth

NumberRounded
16.04816.0
16.28116.3
16.32816.3
16.516.5
16.616.6
16.6616.7
16.666616.7
16.816.8
16.8816.9
16.9717.0
1717.0
17.2617.3
17.31817.3
17.517.5
17.562417.6
17.817.8
1818.0
18.1418.1
18.1818.2
18.418.4
18.518.5
18.52718.5
18.818.8
18.8418.8
19.23219.2
19.519.5
2020.0
20.15520.2
20.620.6
21.9822.0

FAQ

What is 17.8 rounded to the nearest tenth?

17.8 rounded to the nearest tenth is 17.8

Does 17.8 change when rounded to the nearest tenth?

No. There are no non-zero digits after the tenths place, so 17.8 rounded to the nearest tenth is 17.8 — 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 — 17.8 → 17.8.

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