1.5
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No it isnt. The "-2" part is a whole number, but once you start tacking on more fragments and bits after the decimal point, you don't have a whole number any more.
There isnt
Composite
13 and 3. Isnt it?
yes, it is rational because it isnt neverending. irrational numbers are neverending like pi which is 3.14-----------------------------------. it basically never ends. rationals such as 25 over 100 end if you divide 100 into 25. sources: my algebra book