Question

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

Answer 1

0 - rational , (
`(0)/(3))`
167 - rational , (161/1)
2/9 - rational

`√(225)=15` - rational ,(45/3)


`\pi` - irrational


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

Answer 2

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