1. Enter the value 2.175 into cell A1.
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2. On the Home tab, in the Number group, click the Decrease Decimal button two times. Notice the button next to it to show more decimal places.
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Note: If you look at the formula bar, you can see that cell A1 still contains the value 2.175.
3. We can still use this underlying precise value in calculations.
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Note: if you want to use 2.2 to get a result of 6.6, round the value in cell A1.