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Which statement is correct about \(\frac{2}{7}\) and (0.285714285714...)?

Answer and explanation

Correct answer: The decimal expansion is recurring and equals \(\frac{2}{7}\)

The digit block 285714 repeats continuously, so this is a non-terminating recurring decimal. In fact, \(\frac{2}{7}=0.285714285714\ldots\), so both forms represent the same rational number. Option B is wrong because the decimal does not end, and option D is wrong because every recurring decimal is rational. Exam tip: A decimal that does not end but repeats a fixed block of digits is recurring.

Related tags

Number SystemsDecimal RepresentationRecurring DecimalsRational NumbersEquivalent FormsMathematicsClass 9 Mcq

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