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    Ones Digit and Modular Arithmetic

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    What is the ones digit of the number (23)^23?

    © BrainMass Inc. brainmass.com February 24, 2021, 2:06 pm ad1c9bdddf
    https://brainmass.com/math/number-theory/ones-digit-modular-arithmetic-1871

    Solution Preview

    When finding the ones digit of a power, we first have to find the power that makes the digit 1, so when it is multiplied by other numbers it does not change ...

    Solution Summary

    This shows how to find the ones digit of a given number in modular arithmetic.

    $2.19

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