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1) Which of these is a rational number?

a. Pi
b. Square root 3 ******
c. Square root 2
d. 1.3 (the # 3 has a line at the top)

2) Which of the following sets contains 3 irrational numbers?

a. Square root 120 , n , Square root 3 ******
b. - Square root 256 , 1/9 , 1/12
c. 3.14 , -47 , 100
d. n , Square root 0.36 , Square root 121

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩

2 answers

  1. 1.
    π --- irrational
    √3 --- irrational
    √2 --- irrational
    1.333.... = 4/3 ---- Rational

    2. If n is your symbol for π
    then your choice if a) is correct

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. right answer is

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

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