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WAEC - Mathematics (2005 - No. 11)
Convert 101101
two
to a number in base ten
61
46
45
44
Explanation
101101
2
= 1 x 2
5
+ 0 x 2
4
+ 1 x 2
3
+ 1 x 2
2
+ 0 x 2
1
+ 1 x 2
0
= 32 + 0 + 8 + 4 + 0 + 1 = 45
10
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