the 100000th decimal place of Pi is a 6. The following digit is a 4 and thus whether you round to the nearest 100000 decimal places or just print off the 100000th decimal place your answer will be 6. This can easily be found using Maple's evalf command.
For circumference, multiply the diameter by pi and round the product to the second decimal place. For area, multiply the square of the radius by pi and round the product to the second decimal place.
The 91st decimal is 3.
For a GCSE test or something like that 3.14 would be fine.
http://www.eveandersson.com/pi/digits/1000000 Hope that helped.
Pi to the 8th decimal place is 3.14159265.
The same as the 8th decimal place of Pi itself.
pi = 3.1415926535897932384626434 (to 25 decimal places)
9 and 3 are in the 14th and th decimal place for the value of pi.
It is: 3.1415927 is the value of pi when rounded to 7 decimal place