200ir(x) denotes fractional part ofx then \left\{\frac{2^{2001}}{17}\r – InterviewSolution

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1.	200ir(x) denotes fractional part ofx then \left\{\frac{2^{2001}}{17}\right\}=2/174/176/178/17
Answer» 2's power has repetitive sequence of last digit that is 2,4,8,6,2,4,8,6,...so 2^2003's last digit is 8so fractional part of 2^2003/17=8/17

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