Find the units digit of the following within the indicated number base: 4136−2156
+37165 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
