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Practice with Real Numbers

Answers

  1. \(6\)

  2. \(8\)

  3. \(3\)

  4. \(10\)

  5. \(-2\)

  6. \(-1\)

  7. ⓐ \(\frac{5}{1}\) ⓑ \(\frac{319}{100}\)

  8. ⓐ \(\frac{-12}{1}\) ⓑ \(\frac{9297}{1000}\)

  9. ⓐ \(0.75, 0.22\overline 3\) ⓑ \(1.39174...\)

  10. ⓐ \(0.4\overline 5, 3.59\) ⓑ \(1.919293...\)

  11. ⓐ irrational ⓑ rational

  12. ⓐ irrational ⓑ rational

  13. ⓐ real number ⓑ not a real number

  14. ⓐ real number ⓑ not a real number

  15. ⓐ \(0,\sqrt{36}, 9\)
    ⓑ \(−8, \sqrt{36}, 9\)
    ⓒ \(−8, 0, \frac{12}{5}, \sqrt{36}, 9\)
    ⓓ \(1.95286…\)
    ⓔ \(−8, 0, 1.95286…, \frac{12}{5}, \sqrt{36}, 9\)

  16. ⓐ none
    ⓑ \(−\sqrt{100}, −7, −1\)
    ⓒ \(−\sqrt{100},−7,−\frac{8}{3},−1, 0.77, 3\frac{1}{4}\)
    ⓓ none
    ⓔ \(−\sqrt{100}, −7, −\frac{8}{3}, −1, 0.77, 3\frac{1}{4}\)