Asked by Sis
                If U={natural numbers less than 20} and N={factors of 18}, what is N’?
What am I supposed to do?
I know the factors of 18 are 1, 2,3,6, 9, & 18.
I know the natural numbers less than 20 are 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20. So what am I supposed to be looking for?
Thank you!
            
        What am I supposed to do?
I know the factors of 18 are 1, 2,3,6, 9, & 18.
I know the natural numbers less than 20 are 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20. So what am I supposed to be looking for?
Thank you!
Answers
                    Answered by
            Reiny
            
    N' is the notation for "N compliment"
or "not N"
so in your list for U, which numbers are NOT factors of 18 ?
    
or "not N"
so in your list for U, which numbers are NOT factors of 18 ?
                    Answered by
            syai mcfee
            
    natural number that are less than 18
    
                    Answered by
            syai mcfee
            
    even number are
    
                    Answered by
            Imelda
            
    Thanks
    
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