If you're using Excel to calculate monetary values, then you only have to worry about two decimal places in your numbers. Aligning your numbers to the right automatically lines up the decimal points ...

The short division method of multiplication can be used to divide a decimal by a whole number. Equivalent fractions close equivalent fractionA fraction with the same value as another. can be used to ...

We use a decimal point to separate units (ones) from parts of a whole, such as tenths, hundredths, thousandths, etc. \({0.1}\) is a tenth, \(\frac{1}{10}\), of a one ...