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2002 AMC 10B Problem 14

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2002 AMC 10B Problem 14AMC 10 Step by Step
Name:                             Date: September 13, 2026
Exponents, Logarithms & Radicals · difficulty 2 of 5 · about 2 min · position P11-15

The number 2564⋅642525^{64}\cdot 64^{25} is the square of a positive integer NN . In decimal representation, the sum of the digits of NN is

  1. A)

    77

  2. B)

    1414

  3. C)

    2121

  4. D)

    2828

  5. E)

    3535

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