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Why after the number 9 you have to put the numbers together?
Because we use the decimal system which has only ten symbols - for the numbers 0 to 9. In the decimal system, every time you get to a power of ten, the number starts one further place to the left.
Why do add the alphabet to numbers in math?
The decimal system has only ten distinct symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Mathematics can involve calculation in other bases - one that is not so rare is the hexadecimal system - which is base 16. You need 16 distinct symbols for the hexadecimal system and so you use A, B, C, D, E and F along with the decimal digits.
What is hexadecimal number?
The hexadecimal number system is one using 16 as the base instead of the more familiar ten which we use in the decimal system.
What is Hexadecimal Number systeam?
The hexadecimal number system is one using 16 as the base instead of the more familiar ten which we use in the decimal system.
Why do you use the decimal system today?
It is mainly because humans have ten digits: fingers and thumbs. As a result, from prehistoric times, one of our counting bases has been ten.
