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Why do you use numbers?
we use number to count things life would be a lot harder without numbers as you would not know how much somthing is or anything so numbers are used to sse how much somthing costs or how many of something there is or so you know what the date it numbers are very usefull and life would be near immposible without them as we have had them scince man first existed even if it was primitive numbers have always been with us and probably always will
Which set of numbers is closed under the operation of division?
There are several; the most well-known are probably the set of rational numbers without zero, the set of real numbers without zero, and the set of complex numbers without zero.
What are the whole numbers and natural numbers?
Whole numbers are numbers without fractions or decimals. Natural numbers are numbers you usually count with.
How do you find rational numbers without denominator?
All integers are rational numbers.
How many 3 digit numbers can be formed from 5 numbers without repeating?
6
