An INFINITE number.
Computers have calculated 'pi' to billions of places and still going.
However for everyday school learning pi = 3.14 or pi = 22/7 . For more accurate calculations pi = 3.1416 . This is used in science, technology and engineering.
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1.2411 trillion digits (1,241,100,000,000) digits of pi have been dicovered.
there are 29 zeros in the first 200 digits of pi.
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Pi is infinite. The current number of digits calculated is over ten-trillion. If you want to find a pretty good estimate, divide 22 by 7.
There are 100230 '3's in the first million digits of pi.