andreadiaz2003 andreadiaz2003
  • 27-05-2017
  • Mathematics
contestada

Classify each number as rational or irrational. 0. 167, ​ 2/9, ​​ π, ​ 225√ ​

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everimagining
everimagining everimagining
  • 27-05-2017
Irrational means a number can be written as a decimal but not a fraction.

0.167= rational
2/9 = .22222 going on forever, irrational
PI goes on forever, irrational
Square root of 225= 15,  rational
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mjankiewicz
mjankiewicz mjankiewicz
  • 29-05-2017
0 - rational , ([tex]\frac{0}{3})[/tex]
167 - rational , (161/1) 
2/9 - rational
[tex]\sqrt{225}=15[/tex] - rational ,(45/3)

[tex]\pi[/tex]  - irrational


A Rational Number is a real number that can be written as a simple fraction. 
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