Transfer 1.1001001 from binary in decimal number system

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let\'s translate to decimal like this:

1∙20+1∙2-1+0∙2-2+0∙2-3+1∙2-4+0∙2-5+0∙2-6+1∙2-7 = 1∙1+1∙0.5+0∙0.25+0∙0.125+1∙0.0625+0∙0.03125+0∙0.015625+1∙0.0078125 = 1+0.5+0+0+0.0625+0+0+0.0078125 = 1.570312510

got It: 1.10010012 =1.570312510

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