decimal, fraction, rational, and irrational review

Question 1

Which of following is perfect square?

Accepted Answer

√25

Question 2

is √5 a rational number?

Accepted Answer

no

Question 3

which two whole number is √77 between?

Accepted Answer

between 8 & 9

Question 4

A square plot of land has an area of 144 km2. What is the length of one side of the land in km2

Accepted Answer

12

Question 5

Estimate the value of √99

Accepted Answer

9.9

Question 6

How many integers are there between √33 and √35

Accepted Answer

0

Question 7

Which number is greater? √42 or √90

Accepted Answer

√90

Question 8

write 0.444444... as fraction

Accepted Answer

4∕9

Question 9

The square has side length of 7cm, what is the area of the square?

Accepted Answer

49 cm2

Question 10

Write 2/3 as decimal

Accepted Answer

0.6666666666...

Question 11

True or false? The natural numbers include all whole numbers.

Accepted Answer

False

Question 12

What type of number is -13?

Accepted Answer

integer

Question 13

How many integers are there between √23 and √80

Accepted Answer

4

Question 14

Why is √3 a rational number?

Accepted Answer

It is irrational because it is not a perfect square.

Question 15

which number is greater? √53 or √55

Accepted Answer

√55

Question 16

Write 0.122222222...as fraction

Accepted Answer

11/90

Question 17

which of the following is a rational number?

Accepted Answer

√25

Question 18

write 8/9 as decimal

Accepted Answer

0.888888....

Question 19

Is 0.123123123123123123 a rational or irrational number?

Accepted Answer

It is a rational number

Question 20

Find -√25

Accepted Answer

-5

Question 21

Stacy placed √15 between 4 & 5 on the number line, was she correct?

Accepted Answer

No, she was not correct

Question 22

Estimate value of √5 to the nearest tenth

Accepted Answer

2.2

Question 23

How many integers are there between √14 and √54

Accepted Answer

4

Question 24

What is real number?

Accepted Answer

Both a & b

Question 25

True or False? the irrational numbers are the numbers that can be written as ratio.

Accepted Answer

False

Question 26

The difference between natural number and whole number is?

Accepted Answer

The whole numbers include 0

Question 27

which equation is corresponding to 3.21212121212121...

Accepted Answer

100X-X=318

Question 28

is 1 a rational number?

Accepted Answer

Yes, because it can be written as fraction

Question 29

Which of following is an irrational number?

Accepted Answer

√20

Question 30

Find √81

Accepted Answer

±9

Question 31

If 10X-X=6, then X=?

Accepted Answer

both a & b

Question 32

Are you ready for tomorrow's quiz?

Accepted Answer

No, Yes

Question 33

write 3.121212121212...as fraction

Accepted Answer

103/33

Question 34

Which one is greater? 0.1 or 0.111111...

Accepted Answer

0.111111...

Question 35

where in the number line should I place √88

Accepted Answer

between 9 & 10

Question 36

which of the following is best estimate of √66

Accepted Answer

8.1

Question 37

write 2.2 as fraction

Accepted Answer

11∕5

Question 38

why is √36 a rational number？

Accepted Answer

All of above

Question 39

which of the following is best estimate for the √52?

Accepted Answer

the number between 7 & 8

Question 40

√8 is between which 2 integers?

Accepted Answer

2 & 3

Question 41

Which number is greater? 4 or √20

Accepted Answer

√20

Question 42

How many integers are there between √2 & √39

Accepted Answer

5

Question 43

Which of the following is a rational number?

Accepted Answer

-0.1111111111....

Question 44

between which two integers is √30 between?

Accepted Answer

between 5 & 6

Question 45

Write 1.4444... as fraction

Accepted Answer

13/9

Question 46

what type of number is √49?

Accepted Answer

Integer

Question 47

what type of number is √-1

Accepted Answer

imaginary number

Question 48

is 3π a rational or irrational number?

Accepted Answer

irrational

Question 49

True or false? A rational number is a number that can be written as a fraction.

Accepted Answer

True

Question 50

Find√-16

Accepted Answer

No solution

decimal, fraction, rational, and irrational review

Questions 50

decimal, fraction, rational, and irrational review

Questions 50