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Using a calculator you can find that the square root of 65 is 8.062258. To take this to one decimal place you have to first consider only digits up to one decimal place. In this case that would be 8.0

The next step is to look at the second decimal place and assess if we need to round up. If it is 5, 6, 7, 8 or 9 we round up, otherwise we leave the number as it is (round down). In this case, the second decimal is a 6, so we round up. Therefore, the square root of 65 to 1 decimal place is 8.1

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13y ago

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