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express 16^21/2^7 - 5^12 in simplest fotm

  • math -

    16^21 = (2^4)^21 = 2^84

    2^84/2^7 = 2^77

    2^77 - 5^12

    Hmmm. Don't see how to simplify that much.

    Value is 151115727451828402697647

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