Math

1. Which of the following numbers is a rational?
A. 4/5
B. square root of 27
C. 4.02002000200002... ****
D. Square root of 31

2. Which type of number is shown below?
0.313311333111...

A. repeating decimal
B. rational
C. irrational ****
D. terminating decimal

3. Select all the rational numbers from the list.

A. square root of 2
B.8.21221112221111 ***
C. 8.333333333... ***
D. square root of 80
E. square root of 25

4. Select all the irrational numbers from the list.

A. square root of 16
B.square root of 7 ***
C. 813.1 **
D. -9
E. 8.070070007...

5. Which of the following numbers is irrational?
A. square root of 36
B. 1/5
C. square root of 60 ****
D.6.3

PLEASE HELP!!!

  1. 👍 0
  2. 👎 1
  3. 👁 2,334
  1. 1. A rational number can be expressed by an exact fraction
    so it is 4/5

    2. correct

    3. C is correct, B is not
    but √25 = 5 = 5/1 , so rational

    4. B is correct, C is not
    E is irrational

    5. correct

    1. 👍 2
    2. 👎 0
  2. 1. A
    2. C
    3. C
    4. B
    5. C

    1. 👍 2
    2. 👎 0
  3. no wait

    3. C and D ?

    4. B and E ?

    1. 👍 1
    2. 👎 0
  4. almost all the answers are right Jassie, the only wrong one is D for question 3, its E.

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    2. 👎 1
  5. Lesson 1: Rational and Irrational Numbers
    Unit 3: Rational Numbers
    Rational and Irrational Numbers Online Practice
    1. A
    2. C
    3. C & E
    4. B & E
    5. C

    1. 👍 14
    2. 👎 1
  6. Anonymous is right! Thanks.

    1. 👍 4
    2. 👎 0
  7. i got a 5/9 thx

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    2. 👎 0

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