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23 August, 23:45

What is 21 to the 2nd power

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Answers (2)
  1. 24 August, 02:52
    0
    21 to the second power is 441 and it's also like saying 21 x 21
  2. 24 August, 03:43
    0
    21*21=441

    Answer: 441
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