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A number in binary system is 110001 . It is equal to which one of the following numbers in decimal system
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The correct answer is:
49
$(110001)_{2}=1 \times 2^{5}+1 \times 2^{4}+0 \times 2^{3}+0 \times 2^{2}+0 \times 2^{1}+1 \times 2^{0}$
$=32+16+0+0+0+1=(49)_{10}$
$=32+16+0+0+0+1=(49)_{10}$
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