Parentheses aren't preserved in a WikiAnswers question, and there are two ways
they can be placed in this particular question. Here are both answers:
(Ï€
x π
)Ï€
= 1,329.489 (approx. to the nearest thousandth)
Ï€
x (Ï€
)Ï€
or π x (
Ï€
Ï€
) or π x
Ï€
Ï€
= 114.549 (approx. to the nearest thousandth)
The second answer has three varieties of how you may enter it into a calculator. Consider the Pi symbol as a constant variable, always representing approx. 3.14159, and having it in parentheses is only to specify to convert your variable to it's respective number. According to the basic order of operations, if there are no parenthesis, then the first priority is the exponent, which is in this case
^Ï€
, thus the ^
Ï€ is the first thing that is done.
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you said 4 pi times 6 to the second power.thats 452.38934236
the same as pi squared, which is 9.86960440109
Pi to the 5th power is approximately 306.019684785
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 is basically the relationship between the circumference and diameter of a circle. (c/d). If you divide the circumference by the diameter you will always get pi, since C=Pi times d (or 2 times pi times radius), so circumference (C) divided by diameter (D) is Pi.