Gr. 12 Data MAnagement

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In how many ways can the letter of the word SECTION be arranged if the consonants must always be in the order in which they occur in the word itself?

  • Gr. 12 Data MAnagement -

    without restrictions there would be 7! ways or 5040

    The EIO can be arranged in 3! or 6 ways, but we want only one of these sequences.

    so the number of arrangements is 5040/6 = 840

    (somebody check my thinking on this)

  • Gr. 12 Data MAnagement -

    thank you

  • Gr. 12 Data MAnagement -

    wrong its 210

  • Gr. 12 Data MAnagement -

    Don't know why, that's just what the back of the book says :s

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