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Find the units digit of the following within the indicated number base: \(413_6 - 215_6\)

 
 Jan 7, 2019
 #1
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Base 6      413 - 215 = 154 in base 6      so   ' 4 ' is in the units place

 

you are subtracting  5 from 3.....you will have to borrow a '6' from the next column to make the 3  a value of a  9    9-5=4

 
 Jan 7, 2019

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