In a measurement the digits that are an approximation are only those in proper scientific notation. The more digits that are added to the number the more the number becomes exact.
Less
your mom is so black that failed nightschool
It looks like the decimal value of Pi - however, some of the digits are wrong... 3.14159265358979
10/13 as a decimal is a recurring decimal of 6 digits: 0.769230769230... An approximation would be 0.769
amendments
projectiles
It is the decimal approximation to the value of the irrational number.
Gallbladder and pancreas
The ratio of a circle's circumference to its diameter Equal to 3.14159265358979323846... (the digits go on forever without repeating) A rough approximation is 22/7 (=3.1428571...), but that is not very accurate
3.14 is the commonly used approximation
the sea; a forest of pines
An approximation error is the discrepancy between an exact value and the approximation to it. This occurs when the measurement of something is not precise.