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anonymous

  • 5 years ago

I am in Algebra, and i am working on Permutations. I am soooooo lost on these things one of the examples is How many ways can a club of 10 students pick a president, vice president, and treasurer? Lessons answer says : P(10,3) = 720

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  1. amistre64
    • 5 years ago
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    10 *9 *8 = 90*8 = 720

  2. amistre64
    • 5 years ago
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    or is it.... 10! 10.9.8 --- = ------- = 5.3.8 = 108 3!7! 3.2

  3. amistre64
    • 5 years ago
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    well if the answer says 720; i guess i was right lol

  4. amistre64
    • 5 years ago
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    i get lazy about halfway thru and start to make up my own question ;)

  5. anonymous
    • 5 years ago
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    sorry my mom needed something.. ^^ thanks amistre! :)

  6. anonymous
    • 5 years ago
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    There are 10 ways to pick the first person, 9 ways to pick the second, and 8 ways to pick the third. So to do all three, there are 10*9*8=720 different possible outcomes.

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