When rounded to ten significant figures, the first ten digits of pi are:
3.141592654
The product of these digits is: 3 x 1 x 4 x 1 x 5 x 9 x 2 x 6 x 5 x 4 = 129600
Notwithstanding the eleventh digit of the number, which rounds the tenth digit 3 up to 4, the first ten digits of pi with 3 as the final number would be:
3 x 1 x 4 x 1 x 5 x 9 x 2 x 6 x 5 x 3 = 97200
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The first eleven digits of pi are:3.141592653
Check out the Joy of Pi link, for the first 10000 digits.
There are no last 14 digits in pi. The first 14 are 3.14159265358979.
Practice and memorization. It may help to memorize the digits in sets, like ten at a time. Here are the first 50 digits if you want to work on memorizing them: 3.141592653 5897932384 6264338327 9502884197 1693993751
3.1415 While true, pi to 5 significant digits is actually 3.1416!