westdelilaheve westdelilaheve
  • 23-12-2022
  • Mathematics
contestada

Problem-solving
a How many codes can Eddie create using
Eddie needs to choose a 6-digit code for his computer password.
i 6 numbers
ii 4 numbers followed by 2 letters
iii 1 number followed by 5 letters?
Eddie decides that he does not want to repeat a digit or a letter.
b How many ways are possible in parts i to iii now?

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