Definition: The word '3.3' refers to a measurement where each place value has exactly three digits, for example, 3.345 or 0.123. It represents a decimal with more than one digit to the right of the decimal point and at least two digits to the left of it.
Detailed definition: The number '3.345' is a decimal number that has three decimal places after the decimal, with each place having exactly three digits. For example:
123.45
23.456
34.5
In this case, the word 'three' refers to the number of decimal places in the number, and the three digits indicate which digit is located in each place value.
3.3