Efficient Fractions and Decimal Calculations
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Questions and Answers

When converting a recurring decimal to a fraction, what is the correct method?

  • Subtract the non-repeating part from the repeating part and divide by 9.
  • Multiply the repeating part by a power of 10 to shift the decimal point and subtract the original number from the shifted number.
  • Add the repeating part to the non-repeating part and divide by the appropriate power of 10.
  • Divide the repeating part by a number of nines equal to the number of digits in the repeating part. (correct)

    • When rounding 3489 to one significant figure, what is the correct result?

  • 3400
  • 3500
  • 4000
  • 3000 (correct)

    • When dividing 770 by 9, what is the correct result?

  • 86 with a remainder of 2
  • 85 with a remainder of 7
  • 85 with a remainder of 5 (correct)
  • 86 with a remainder of 4

    • When simplifying 180÷22, what is the correct result?

    <p>8.2</p> Signup and view all the answers

    When converting percentages to fractions, what is the correct process?

    <p>Divide the percentage by 100 and simplify if possible.</p> Signup and view all the answers

    When converting a recurring decimal to a fraction, what is the correct method?

    <p>Divide the repeating part by a number of nines equal to the number of digits in the repeating part</p> Signup and view all the answers

    When simplifying 180÷22, what is the correct result?

    <p>8.2</p> Signup and view all the answers

    When converting percentages to fractions, what is the correct process?

    <p>Divide the percentage by 100 and simplify if possible</p> Signup and view all the answers

    When rounding 3489 to one significant figure, what is the correct result?

    <p>3000</p> Signup and view all the answers

    When dividing 770 by 9, what is the correct result?

    <p>85 with a remainder of 5</p> Signup and view all the answers

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