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Math Help - need help with binary and vectors

  1. #1
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    need help with binary and vectors

    When the binary number 100011110011011001101001100111
    is converted to an eight-digit hexadecimal number, what is the position of the digit D? Count the positions starting from 1 on the left.


    i got the answer 23CD9A67, anyone know if thats right?

    aaaaaaand
    need help with binary and vectors-capture.jpgi have an idea on how to do the second question but im not entirely sure if im doing it right and i cant really risk making mistakes. Any help would be appreciated, thanks in advance.
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  2. #2
    MHF Contributor
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    Re: need help with binary and vectors

    Quote Originally Posted by mybeans View Post
    When the binary number 100011110011011001101001100111
    is converted to an eight-digit hexadecimal number, what is the position of the digit D? Count the positions starting from 1 on the left.


    i got the answer 23CD9A67, anyone know if thats right?

    aaaaaaand
    Click image for larger version. 

Name:	Capture.JPG 
Views:	4 
Size:	20.8 KB 
ID:	31347i have an idea on how to do the second question but im not entirely sure if im doing it right and i cant really risk making mistakes. Any help would be appreciated, thanks in advance.
    Group it into 4 digit chunks

    (00)10 0011 1100 1101 1001 1010 0110 0111
    2 3 C D 9 A 6 7

    so yes, you did it right.

    for the matrix problem read here Mathwords: Inverse of a Matrix
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  3. #3
    MHF Contributor

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    Re: need help with binary and vectors

    Quote Originally Posted by mybeans View Post
    [COLOR=#000000][FONT=Helvetica Neue]
    i have an idea on how to do the second question but im not entirely sure if im doing it right and i cant really risk making mistakes. Any help would be appreciated, thanks in advance.
    Then post what you have done here and we can check it for you.
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