Use rounded values to estimate close the answer to a calculation. This is a useful non-calculator skill. Refresh your knowledge with these guides on rounding and significant figures. Rounding to ...

Decimal places are counted from the decimal point: So, the number \(5.1492\) has four decimal places, while \(4.34\) has two decimal places. To round a number to a given number of decimal places, the ...

Depending on what a person is doing in Microsoft Excel, there may come a time when they have to work with decimal places. If this is indeed the case, then one must learn how to change the number of ...

Editor's Note: I just thought I should mention that there's an ongoing, ever-evolving, and dramatically different presentation of this topic entitled Rounding 101 on my personal website. We'll start ...