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number systems use different bases. If a number only uses 5 symbols, then it is in base 5

The number system we use is base 10, because we have 10 symbols: 0123456789 so the number

1289 = 9x10^0 + 8x10^1+2x10^2+1x10^3

If it were in another base n, then converted to base ten

abcd = dxn^0 + cxn^1+bxn^2+axn^3

A number system some may be familiar with is binary, which has a number base 2 since it only has 2 symbols, 1 and 0

In other number systems, the symbols can be different, such as in Babylonion, or other languages.

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Andy liu

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4y ago

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Q: What is a number system?
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