# penn general maths 2 lesson 1 700160RR

Question 1

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**1. Solve the following equation: 28 ÷ 7 + 2 × 3 = ?**

A. 10

B. 24

C. 12

D. 18

**Answer:** 10

**2. Which of the following is the same as 2.3 × 10^3?**

A. 2,300

B. .023

C. .23

D. 230

**Answer:** 2,300

**3. Which one of the following numbers is a multiple of 8?**

A. 124

B. 512

C. 98

D. 27

**Answer:** 512

**4. What is the cube of 6?**

A. 216

B. 18

C. 42

D. 36

**Answer:** 216

**5. What is 39 squared?**

A. 1,521

B. 1,482

C. 39

D. 78

**Answer:** 1,521

**6. What is the prime factorization of 1,260?**

A. 2 × 3 × 5 × 7

B. 2 × 2 × 3 × 3 × 5 × 7

C. 2 × 3 × 5 × 6 × 7

D. 4 × 5 × 7 × 9

**Answer:** 2 × 2 × 3 × 3 × 5 × 7

**7. Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39. What is the average price of his books? Choose the statement that correctly calculates the average.**

A. 3 × $32 + $45 + $39

B. $32 ÷ 3 + $45 ÷ 3 + $39

C. $32 + $45 + $39 ÷ 3

D. *($32 + $45 + $39) ÷ 3*

**Answer:** *($32 + $45 + $39) ÷ 3*

**8. Solve for x in the equation x + 10 = 15.**

A. x = 10

B. *x = 5*

C. x = 25

D. x = ?5

**Answer:** *x = 5*

**9. Which of the following is a composite number?**

A. 29

B. 13

C. *91*

D. 139

**Answer:** *91*

**10. Using the order of operations rule, solve the following: 12 ÷ 2 + 4 2 × 3 = ?**

A. 36

B. 24

C. 0

D. 4

**Answer:** 4

**11. If a number is divisible by both 2 and 3 then we can say the number is divisible by**

A. 4.

B. 2.

C. 5.

D. 6.

**Answer:** 6.

**12. Which one of the following groups of numbers includes all prime numbers?**

A. 2, 3, 5, 15

B. 1, 3, 11, 23

C. 3, 11, 23, 31

D. 7, 17, 63, 67

**Answer:** 3, 11, 23, 31

**14. What is the value of 12.5 × 10^7?**

A. 12.5000000

B. 1,250,000

C. 1.2500000

D. 125,000,000

**Answer:** *125,000,000*

**15. In a three-game baseball series, the Braves scored 5 runs in the first game, 4 runs in the second game, and 0 runs in the last game. The Giants scored 6 runs in the first game, 1 run in the second game, and 3 runs in the last game. How many more runs did the Giants score during the series than the Braves?**

A. *1 more run*

B. 2 more runs

C. 0; They scored the same amount.

D. 0; The Braves scored 2 more runs.

**Answer:** *1 more run*

**16. Which of the following has a value of 84?**

A. *4,096*

B. 32

C. 83

D. 512

**Answer:** *4,096*

**17. What is the value of 5.7 × 10^8?**

A. 5.70000000

B. 570,000,000

C. 57,000,000

D. 5,700,000,000

**Answer:** *570,000,000*

**18. What are the prime factors of 625?**

A. 5, 5, 5, 5

B. 1, 5, 5, 5, 5

C. 25, 25

D. 5, 5, 25

**Answer:** * 5, 5, 5, 5*

**19. In the equation x/35 = 7, what is the value of x?**

A. 35

B. 7

C. 245

D. 5

**Answer:** *245*

**20. According to the Wall Street Journal, 14,200,000 copies of Walt Disney’s Fantasia have been sold to date. Write that number in scientific notation.**

A. 142 × 107

B. 142 × 1,000,000

C. 1.42 × 106

D. *1.42 × 10^7*

**Answer:** *1.42 × 10^7*

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