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math

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how many ways can 9 cars be parked in a row of 9 parking spaces?

  • math - ,

    There are 9 ways to park the first car,
    for each of those there are 8 ways to park the second,
    etc

    what is 9x8x7x6x5x4x3x2x1 ??

  • math - ,

    362880

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