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What is the difference between Number accuracy and approximation?
Wiki User
∙ 15y ago
There are a lot of possible categories here but I'll assume you're talking about measurment. If you measure something (like length) with a reliable measuring device then, assuming no measurement error, your measurement will generally have two parts. The accurate part is the amount you can measure exactly with your device and the approximate part is the ammount you have to estimate when the measurement is not exactly equal to a scale division on your measuring device. So if you measure something with a ruler marked off in centimeters and the length falls between 2 and 3 cm, you have to estimate where between 2 & 3 it lies. If you decide its 2.8 cm then the 2 is considered accurate but the 8 is an approximation. If you combine (multiplication, division, addition etc) two measurements, your answer can be no more accurate then the least accurate measurement For example; multipling 2.8 times 3.4 , where the 8 and 4 are approximate, gives 9.52. This is implies more accuracy then you really have and should be rounded off to 9.5.
Wiki User
∙ 15y ago
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What is a approximation of A number?
an estimate
An approximation of a number?
Estimate
The difference between a number and 3?
the difference between a number and 3 is
The difference between one number and the next on the scale?
the difference between ine number and the next on the scale ?
What is the difference between an exact answer and an approximated answer when dealing with circles?
Usually, in terms of school work, an exact answer leaves pi in the answer. Since pi is an irrational number, as soon as you try to substitute a value for it in your calculations, you are introducing an approximation. So, for a circle with radius 5 cm, a circumference given as 10*pi cm is an exact answer but 31.4159 cm is an approximation.
What is an approximation of a number called?
estimate
What is a approximation of a number called?
estimate
