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Question
Show that x is rational, if x2 = 0.0004.
Numerical
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Solution
x2 = 0.0004
x = `(0.0004)/10000`
x = `sqrt(4/(10000))`
x = `2/100`
x = 0.02
It is a Rational.
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Chapter 1: Rational and Irrational Numbers - Exercise 1 (D) [Page 23]
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