Positional notationA system of expressingnumbers in which thedigits are arranged insuccession, the positionof each digit has a placevalue, and the number isequal to the sum of theproducts of each digit byits place value1BaseThe foundationalvalue of a numbersystem, which dictatesthe number of digits andthe value of digit posi-tions2.2Natural Numbers352.2Natural NumbersHow many ones are there in 943? That is, how many actual things does thenumber 943 represent? Well, in grade school terms you might say there are9 hundreds plus 4 tens plus 3 ones. Or, said another way, there are 900 onesplus 40 ones plus 3 ones. So how many ones are there in 754? 700 ones plus50 ones plus 4 ones. Right? Well, maybe. The answer depends on thebaseof the number system you are using. This answer is correct in the base-10,or decimal, number system, which is the number system we humans useevery day. But that answer is not correct in other number system.
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Numerical digit, Positional notation, Decimal, Numeral system