Transfer 1010.1010 from octal in decimal number system

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let\'s translate to decimal like this:

1∙83+0∙82+1∙81+0∙80+1∙8-1+0∙8-2+1∙8-3+0∙8-4 = 1∙512+0∙64+1∙8+0∙1+1∙0.125+0∙0.015625+1∙0.001953125+0∙0.000244140625 = 512+0+8+0+0.125+0+0.001953125+0 = 520.12695312510

got It: 1010.10108 =520.12695312510

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