https://decimal-to-binary.com/decimal-to-binary-converter-online.html?id=62713

Transfer 1.27 from decimal in binary number system

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Translate the number 1.2710 в binary like this:

the Fractional part of the number is multiplied by the base of the new number system:

 Transferring numbers from one number system to another
0.27*2
0.54*2
1.08*2
0.16*2
0.32*2
0.64*2
1.28*2
0.56*2
1.12*2
0.24*2
0.48*2

the result of the conversion was:

1.2710 = 1.01000101002
answer: 1.2710 = 1.01000101002