# 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

1. 👍 0
2. 👎 0
3. 👁 714
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. 👍 0
2. 👎 0
posted by Reiny
2. 1. A
2. C
3. C
4. B
5. C

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2. 👎 0
posted by Jassie
3. no wait

3. C and D ?

4. B and E ?

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

1. 👍 0
2. 👎 0
posted by Flame

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