We can also use this idea of positional notation where each digit represents a different weighted value depending upon the position it occupies in the binary numbering system. ![]() Likewise, for the fractional numbers to right of the decimal point, the weight of the number becomes more negative giving: 5 -1, 6 -2, 7 -3 etc. ![]() Thus mathematically in the standard denary numbering system, these values are commonly written as: 4 0, 3 1, 2 2, 1 3 for each position to the left of the decimal point in our example above. Then the decimal numbering system uses the concept of positional or relative weighting values producing a positional notation, where each digit represents a different weighted value depending on the position occupied either side of the decimal point. Thus as we move through the number from left-to-right, each subsequent digit will be one tenth the value of the digit immediately to its left position, and so on. Here in this decimal (or denary) number example, the digit immediately to the right of the decimal point (number 5) is worth one tenth (1/10 or 0.1) of the digit immediately to the left of the decimal point (number 4) which as a multiplication value of one (1).
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