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'Weekly Problem 48 - 2011' printed from http://nrich.maths.org/

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Which of the following three statements are true?

  1. $ 3^{10} $ is even,
  2. $ 3^{10} $ is odd,
  3. $ 3^{10} $ is a square number.

 

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This problem is taken from the UKMT Mathematical Challenges.

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