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what is a hexadecimal

 May 18, 2015

Best Answer 

 #1
avatar+33616 
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Hexadecimal numbers use base 16 instead of our normal decimal numbers that use base 10.  The "units" go from 0 to 15 instead of 0 to 10.  The numbers beyond 9 are represented by the letters A to F.  That is 10 is represented by A, 11 by B, 12 by C, 13 by D, 14 by E and 15 by F.

 

The next highest "places" after the "units" represent multiples of 16.  So, for example the hexadecimal number

 2AF4  is 2*16^3 + 10*16^2 + 15*16 + 4 = 10996 (in decimal).  

.

 May 18, 2015
 #1
avatar+33616 
+5
Best Answer

Hexadecimal numbers use base 16 instead of our normal decimal numbers that use base 10.  The "units" go from 0 to 15 instead of 0 to 10.  The numbers beyond 9 are represented by the letters A to F.  That is 10 is represented by A, 11 by B, 12 by C, 13 by D, 14 by E and 15 by F.

 

The next highest "places" after the "units" represent multiples of 16.  So, for example the hexadecimal number

 2AF4  is 2*16^3 + 10*16^2 + 15*16 + 4 = 10996 (in decimal).  

.

Alan May 18, 2015
 #2
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cheres im gona get a mark for that on my test

 May 18, 2015

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