9
9
The billionth digit of pi (π) after the decimal point is 9. This digit is part of the extensive decimal representation of pi, which is known for its non-repeating and non-terminating nature. The calculation of pi to such an extensive number of digits has been achieved using advanced algorithms and computational power.
3.1
To convert a decimal into a fraction you must multiply the numerator by the denominator.
0.5, 0.50, 0.500
0.3 is the same as 3/10 or 3 over 10
Ambrogio Seves has written: 'Sul sistema metrico decimale dei pesi e delle misure' -- subject(s): Metric system, History
J. Limburg has written: 'Nieuwe methoden van archiefbeheer, het Decimale registratuurstelsel' -- subject(s): Cataloging of archival material, Decimal Classification
(pi)(1/pi)=1.4396 ...
the same as pi squared, which is 9.86960440109
The square root of pi times pi is simply pi. Because pi*pi=pi squared, the squared and the square root will cancel each other, leaving just pi.
Pi to the 5th power is approximately 306.019684785