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'pi' is an IRRATIONAL number. This means that the decimals go to infinity (never end) ,and there is no regular order in the decimal digits.

Super duper computers have calculated 'pi' to at least 50,000,000,000 ( 50 billion) places and still goimng.

In school/college , when given pi = 3.14 , 3.1416, 3.141592.. 22/7 These values are only APPROXIMATIONS.

Irrational means that it CANNOT be converted to a ratio(fraction) .

pi should be written as 3.141592... The three dots inidicate that it goes to infinity.

How long does 'pi' last? It last for ever; it infinite.

For school/college work use 3.14 or 22/7

For more technical scientific work use 3.1416.

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lenpollock

Lvl 16
1y ago

What else can I help you with?