rosebebo9658 rosebebo9658
  • 22-08-2017
  • Mathematics
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How many strings can be formed using the letters a, b, c, d, e, f, with each letter used once, that that start with the letter f?

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caylus
caylus caylus
  • 22-08-2017
Hello,
the only letters a,b,c,d,e have to be put.
So 5!=1*2*3*4*5=120
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