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Reena says must give a recurring decimal because 28 has a factor 7. What is correct?

Class 8Rational Numbers as DecimalsRational Numbers
  • AIt terminates, since
  • BIt recurs, Reena is right
  • CIt recurs with period 7
  • DIt cannot be written as a decimal

Step-by-Step Solution

Reduce first: . The denominator , so the decimal terminates: 0.75. The test applies only to lowest terms.
Answer: A) It terminates, since

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