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To round to the nearest tenth use the hundredth digit to decide to round up or down.

The hundredths digit is a 7 so round up.

The tenths digit is a 9, so adding 1 gives 10, which means keep the 0 in the tenths column and add 1 to the ones column:

30.97 → 31.0 to the nearest tenth

Note that the .0 is normally not written, but as it is written it is significant: it shows the number is accurate to the nearest tenth.

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6y ago
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6y ago

It is 31.0 to the nearest tenths.

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Q: What to the nearest tenth of 30.97?
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