How do I find the exact value of 7 pi?
You can't.
However, you could multiply 7 by this number of 100,000 digits to come close.
http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html
However, you could multiply 7 by this number of 100,000 digits to come close.
http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html