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falkqwer2011 Group Title

The number (1.333and so on) belongs to which set of numbers? -rrational numbers -rational numbers, integers, and whole numbers -rational numbers and integers but not whole numbers -rational numbers but not integers or whole numbers

  • one year ago
  • one year ago

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  1. apple_pi Group Title
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    First some definitions integer: any whole number e.g. -1,0,1 rational: can be expressed as a fraction with integral numerator and denominator. e.g. 1.25

    • one year ago
  2. TheMind Group Title
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    all repeating numbers are rational

    • one year ago
  3. falkqwer2011 Group Title
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    ok o.O

    • one year ago
  4. falkqwer2011 Group Title
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    so its rational?

    • one year ago
  5. apple_pi Group Title
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    yes. do you know how to turn a repeating into a fraction to show it is rational?

    • one year ago
  6. falkqwer2011 Group Title
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    no

    • one year ago
  7. apple_pi Group Title
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    Ok, in this case 1.33333... let n = 1.33333... 10n = 13.33333... 10n-n = 12 9n = 12 n = 12/9

    • one year ago
  8. falkqwer2011 Group Title
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    wait so the answer is d right?

    • one year ago
  9. apple_pi Group Title
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    yes

    • one year ago
  10. falkqwer2011 Group Title
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    cool thx for explaining

    • one year ago
  11. apple_pi Group Title
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    sure, anytime

    • one year ago
  12. apple_pi Group Title
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    Oh and by the way, welcome to OpenStudy

    • one year ago
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