anonymous
  • anonymous
Find n(A) for the following set A. {x:x is a letter in the word defenselessness}
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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jim_thompson5910
  • jim_thompson5910
n(A) is math notation which means "number of elements in set A"
jim_thompson5910
  • jim_thompson5910
example: if A = {1, 2, 3, 7} then n(A) = 4 because there are 4 numbers in that set
anonymous
  • anonymous
oh so all the letters except repeated letters

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IrishBoy123
  • IrishBoy123
\(\checkmark \)
anonymous
  • anonymous
so 6 elements
jim_thompson5910
  • jim_thompson5910
Yeah all the unique letters. I'm counting 6 unique elements as well
anonymous
  • anonymous
wow that was simple lol, thanks guys, big help THUMBS UP ;)
jim_thompson5910
  • jim_thompson5910
I forgot to mention that you toss out repeated elements of a set, but it seems like you already knew that. So that's good

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