10100111011101 = 213*1 + 212*0 + 211*1 + 210*0 + 29*0 + 28*1 + 27*1 + 26*1 + 25*0 + 24*1 + 23*1 + 22*1 + 21*0 + 20<span>*1 = 8192 + 0 + 2048 + 0 + 0 + 256 + 128 + 64 + 0 + 16 + 8 + 4 + 0 + 1 = 10717 </span>
Ex 1. ex.2
1-C. 1.How much
2-E. 2.How many
3-A. 3.How many
4-B. 4.How many
5-D 5.How much
6.How much
7.How much
8.How much
9.How many
10.How many
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