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anonymous

  • one year ago

For the word BANKERS, find the number of possible combinations of letters

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  1. anonymous
    • one year ago
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    most of the questions i will post i have the answer... but i dont know how to set up the problem to solve it??

  2. anonymous
    • one year ago
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    for this i would have done 7 C 6 however, the answer is actually 5040??

  3. anonymous
    • one year ago
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    7*6*5*4*3*2*1=?

  4. anonymous
    • one year ago
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    but isn it asking for combinations? i think my teacher made the answer key wrong

  5. anonymous
    • one year ago
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    |dw:1433386448223:dw|

  6. anonymous
    • one year ago
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    here all letters have to be used

  7. anonymous
    • one year ago
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    if we put any letter at 1 out of 7, then we are left with 6 letters only to fill the second spot. and so on

  8. jim_thompson5910
    • one year ago
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    lordofpens, the term "combination" is sometimes a bit murky Think of a locker. The "combination" lock is really a permutation lock because order matters. Something like 347 is different from 743. And yet, somehow "combination lock" has stuck instead of "permutation lock"

  9. anonymous
    • one year ago
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    @jim_thompson5910 im sorry, i think i forgot part of the question... it's actually For the word BANKERS, find the number of possible combinations of letters given 6 at a time

  10. anonymous
    • one year ago
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    will that change the answer?

  11. jim_thompson5910
    • one year ago
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    you need to compute 7 P 6 instead of 7 C 6

  12. anonymous
    • one year ago
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    ohh ok. i guess the "combination" in the sentence is misleading

  13. jim_thompson5910
    • one year ago
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    yeah

  14. anonymous
    • one year ago
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    in that case 7*6*5*4*3*2=? answer is still the same.

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