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What is the decimal number of binary num...

What is the decimal number of binary number `(111001.01)_(2)`?

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`(111001.01)_(2) =(111001)_(2)+(0.01)_(2)`
`(111001)_(2)=1 xx2^(0)+0 xx2^(1)+0xx 2^(2)=1 xx2^(3)+1 xx2^(4)+1 xx 2^(5)`
`1+0+0+8+16+32=(57)_(10)`
`(0.01)_(2)=0xx2^(-1)+1xx2^(-2)=0+0.25=(0.25)_(10)`
`:. (111001.01)_(2)=(57)_(10)+(0.25)_(10)`
`=(57.25)_(10)`
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