whats the difference between 22/7 and pi................... correct upto 5 decimal places
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Without a calculator, you need to know the first several digits of 1 / 7 and of π . Since 2 2 / 7 and π are both between 3 and 4 , the ones digit is 0 . From there, 2 2 / 7 mod 1 = 1 / 7 ≈ . 1 4 2 8 5 7 1 4 . . . π mod 1 ≈ . 1 4 1 5 9 2 6 5 . . . d ≈ . 1 4 2 8 5 7 1 4 − . 1 4 1 5 9 2 6 5 = . 0 0 1 2 6 4 4 9 ≈ 0 . 0 0 1 2 6