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July 27, 2015

Homework Help: math

Posted by christy on Friday, January 20, 2012 at 3:27pm.

How can you tell if a number is rational or irrational?

a) 3.215 (there is a line drawn over the 15)
b.) square root 10
c) 0.143639854024
d)4.312

can you please explain what i need to look at to tell which is which?

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