Asked by Anonymous
                To which subset(s) does the number –square root of twenty belong? Choose all that apply.
(Irrational Numbers
(Rational Numbers***
(Integers***
(Whole Numbers
(Natural Numbers
The maximum of choices is 2
            
            
        (Irrational Numbers
(Rational Numbers***
(Integers***
(Whole Numbers
(Natural Numbers
The maximum of choices is 2
Answers
                    Answered by
            Anonymous
            
    THINK
square root of 2 (about 1.414213562) can NOT be expressed as a ratio of two whole numbers
square root of ten can NOT be expressed as ratio of two whole numbers
THEREFORE
square root of two * square root of ten which is square root of twenty can NOT be expressed as the ratio of two whole numbers
THEREFORE
square root of twenty is IRRATIONAL
    
square root of 2 (about 1.414213562) can NOT be expressed as a ratio of two whole numbers
square root of ten can NOT be expressed as ratio of two whole numbers
THEREFORE
square root of two * square root of ten which is square root of twenty can NOT be expressed as the ratio of two whole numbers
THEREFORE
square root of twenty is IRRATIONAL
                    Answered by
            Damon
            
    2 sqrt 5 = sqrt 20
sqrt 5 = 2.236067977
IRRATIONAL
    
sqrt 5 = 2.236067977
IRRATIONAL
                    Answered by
            Damon
            
    http://www.dictionary.com/browse/irrational--number
    
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