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a) √4 = 2 = Rational
b) 3√8 = Irrational
c) √100 = 10 = Rational
d) -√0.64 = -0.8 = Rational
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(a)√4 is a rational number
- A number that can be expressed as a ratio of two integers, i.e., p/q, q = 0 is called a rational number. Thus, √4 is a rational number
(b)3√8 is a irrational
- 3+8
(c) √100 is a Rational
- The number 100 is a rational number. It is a whole number, or integer. All integers are rational numbers.
(d) -√0.064 is a Rational
- Since √0.64 is expressible in the from p/q, it is a rational no.
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