Question 213760
Classify if true or false, & if false five a counter example
a. if 3/n, then 9/n
Ans: false; 3 divides 12 and 9 does not divide 12
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b.  if 10/n, then 5/n
Ans: true
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c.  if 2/n, then 4/n, then 8/n
Ans: false; 2 divids 10 but 4 does not and 8 does not
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Cheers,
Stan H.