Math Number Sense and Operations 4

Question 1

Which of the following is an irrational number?

Accepted Answer

√2

Answer

√16

Answer

√9

Answer

√25

Question 2

What is the least common multiple (LCM) of 8 and 12?

Accepted Answer

24

Answer

4

Answer

48

Answer

96

Question 3

A store sells juice in 3/4-liter bottles. How many bottles are needed to fill a 6-liter container?

Accepted Answer

8

Answer

6

Answer

7

Answer

9

Question 4

What is the value of 2^5 × 2^3?

Accepted Answer

2^8

Answer

2^15

Answer

4^8

Answer

2^2

Question 5

Which number is a perfect square?

Accepted Answer

81

Answer

50

Answer

72

Answer

90

Question 6

Express 0.000047 in scientific notation.

Accepted Answer

4.7 × 10^-5

Answer

47 × 10^-6

Answer

4.7 × 10^5

Answer

0.47 × 10^-4

Question 7

Which set of numbers is ordered from least to greatest?

Accepted Answer

-3, -1, 0, 2

Answer

2, 0, -1, -3

Answer

-1, -3, 0, 2

Answer

0, -1, 2, -3