Mathematics > 2012 PAPER II > 18
BECE/Junior WAEC
What is the missing number if the following substraction is in base two?
1 1 1 1 0 1 - x x x x x x = 1 1 0 1 0 0
1 1 1 1 0 1 - x x x x x x = 1 1 0 1 0 0
A.
1001
B.
1101
C.
1010
D.
1100
E.
1011
Answer: A
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