anonymous
  • anonymous
For the word BANKERS, find the number of possible combinations of letters
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
most of the questions i will post i have the answer... but i dont know how to set up the problem to solve it??
anonymous
  • anonymous
for this i would have done 7 C 6 however, the answer is actually 5040??
anonymous
  • anonymous
7*6*5*4*3*2*1=?

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anonymous
  • anonymous
but isn it asking for combinations? i think my teacher made the answer key wrong
anonymous
  • anonymous
|dw:1433386448223:dw|
anonymous
  • anonymous
here all letters have to be used
anonymous
  • anonymous
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
jim_thompson5910
  • jim_thompson5910
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"
anonymous
  • anonymous
@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
anonymous
  • anonymous
will that change the answer?
jim_thompson5910
  • jim_thompson5910
you need to compute 7 P 6 instead of 7 C 6
anonymous
  • anonymous
ohh ok. i guess the "combination" in the sentence is misleading
jim_thompson5910
  • jim_thompson5910
yeah
anonymous
  • anonymous
in that case 7*6*5*4*3*2=? answer is still the same.

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