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'pi' is an IRRATIONAL number. This means the decimals are in no particular order, and go to infinity.

pi = 3.141592.....

For school work pi = 3.14 = 22/7

For scientific/ engineering work 'pi = 3.1416.

These last two are only APPROXIMATIONS, because no one knows the true value of 'pi' , because of its irrationality'.

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lenpollock

Lvl 16
1y ago

What else can I help you with?