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Because they depend on the place value of numbers.

For example, 101 = 1*b2 + 0*b + 1 where b is the base (2 or 10). There are only b different symbols or digits. Numbers that are greater than or equal to the base are displayed using the positional notation.

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12y ago

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14y ago
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Q: Why are binary and decimal called positional numbering system?
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