Lesson 6
The Octal System
From eight to ten
Page 198
You must have written
368 in the expanded form as
368 = 3( 82 ) + 6( 81 )
which is incorrect.
Remember that when we deal with whole numbers, the right-hand digit is always the coefficient of the 0 power of the base, the next digit to the left is the coefficient of the 1st power of the base, and so on. So the correct expansion is
368 = 3( 81 ) + 6( 80 ) .
Now return to Page 193 and try again.
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