why do natural number require an extension
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The natural numbers are not enough to represent all quantities we observe in life because they do not include zero or fractions. Negative numbers and irrational numbers also serve as additional sets which we require. Finally the imaginary numbers are added to make our system complete as far as the four basic operations and powers are concerned.
How do you program an extension number into your cell phone?Answer . I have only one. I put the 10 digit number followed by 8 * signs. That gives a pause until the menu comes up and then it dials the extension.Similar questions