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No, because pi is not a rational number.

A popular approximation is 22/7 = 3.14(2857....), correct to 2 decimal places.

Of particular interest is another ratio: 355/113 = 3.141592(9204...) which is correct to 6 dp. This is a rare example where remembering the 6 digits of the ratio gives pi to as many dp. Not only that, the sequence of digits, going from the denominator to the numerator make it quite an easy ratio to remember.

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Q: Can pi be expressed as a ratio of two integers?
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