Explore BrainMass

Explore BrainMass

    Permutation: Factorial

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Permutation

    89!
    __________
    80!(89-80)!

    © BrainMass Inc. brainmass.com March 4, 2021, 5:39 pm ad1c9bdddf
    https://brainmass.com/math/combinatorics/permutation-factorial-4596

    Solution Preview

    Please see the attached file for the complete solution.
    Thanks for using BrainMass.

    The first thing that you need to do with this problem is the subtraction inside the parenthesis ( ), which changes the problem into

    What the exclamation point means is to multiply 89 by every whole number less than it, stopping at 1, so . Unfortunately, that is a lot of writing. However, we can write the multiplication and stop at any ...

    Solution Summary

    A permutation is solved using factorials. The solution is detailed and well presented.

    $2.19

    ADVERTISEMENT