anonymous
  • anonymous
Which of the following sets is closed under multiplication? A. {0, 1} B. {1, 2} C. {0, 1, 2} D. None of the sets are closed under multiplication.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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CBARREDO1
  • CBARREDO1
I'm not sure, but I think D
jim_thompson5910
  • jim_thompson5910
|dw:1438040396556:dw|
jim_thompson5910
  • jim_thompson5910
|dw:1438040463508:dw|

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jim_thompson5910
  • jim_thompson5910
This is a multiplication table for choice D |dw:1438040486835:dw|
jim_thompson5910
  • jim_thompson5910
do you see any values in the table that aren't part of the original set from choice D?
anonymous
  • anonymous
000 024
jim_thompson5910
  • jim_thompson5910
sorry not D, but C. I misread
anonymous
  • anonymous
so its B
jim_thompson5910
  • jim_thompson5910
|dw:1438040574380:dw|
CBARREDO1
  • CBARREDO1
Then D, I was right
jim_thompson5910
  • jim_thompson5910
so {0,1,2} is NOT closed under multiplication. The goal is to multiply every element with either another value or itself to see if you get some number in the original set. If so, then the set is closed.
jim_thompson5910
  • jim_thompson5910
check the others first
jim_thompson5910
  • jim_thompson5910
make a multiplication table like I did

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