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3.14 is a rational number.
- natural number?
(sometimes 0 is included)
Is 3.14 one of these? No
- whole integer?
Is 3.14 one of these? No
- irrational?
3.14 = 314/100 = 157/50 can be expresses as one integer over another and so it is not one of these.
- rational?
3.14 = 314/100 = 157/50 can be expresses as one integer over another and so it is one of these - yes!
- complex
x = 3.14, y=0, ie 3.14 = (3.14 + 0i), so yes, 3.14 is a complex number!
(in fact all real numbers are complex numbers).
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