Math Number Sense and Operations 2

Question 1

Which number is written in correct scientific notation?

Accepted Answer

2.35 × 10⁴

Answer

23.5 × 10³

Answer

0.235 × 10⁵

Answer

235 × 10²

Question 2

Which of the following numbers is divisible by 9?

Accepted Answer

432

Answer

245

Answer

361

Answer

127

Question 3

What is the greatest common factor (GCF) of 36 and 48?

Accepted Answer

12

Answer

6

Answer

18

Answer

144

Question 4

What is √144?

Accepted Answer

12

Answer

11

Answer

13

Answer

14

Question 5

Which of the following is an irrational number?

Accepted Answer

√5

Answer

0.333…

Answer

√16

Answer

7/3

Question 6

Which list correctly orders −3, 0.5, −1.2, and 2 from least to greatest?

Accepted Answer

−3, −1.2, 0.5, 2

Answer

−1.2, −3, 0.5, 2

Answer

2, 0.5, −1.2, −3

Answer

0.5, −1.2, 2, −3

Question 7

Round 3,847 to the nearest hundred.

Accepted Answer

3,800

Answer

3,850

Answer

3,900

Answer

4,000