
1010101

1110111

1011001

1100101
EXPLANATION
From right to left, each column represents double the last
column starting with the number 1. So the answer: 1100101 represents
from right to left: (1x1) + (0x2) + (1x4) + (0x8) + (0x16) + (1x32) +
(1x64) = 101.
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