Mathematical Ideas 13th Edition By Miller – Test Bank
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Determine whether the statement is true or false.
- 1) If n is a natural number and 10|n, then 20|n.
A) True B) FalseAnswer: B
- 2) If a natural number is divisible by 3, then it must also be divisible by 15. A) True B) False
Answer: B
- 3) If a natural number is divisible by 7 and 2, then it must also be divisible by 14. A) True B) False
Answer: A
- 4) A prime number may have one or two different natural number factors but may not have more than two different natural number factors.
A) True Answer: B
- 5) Every composite number is divisible by 2. A) True
Answer: B
- 6) All prime numbers are odd. A) True
Answer: B
B) False
B) False
B) False
7) Any composite number in the range 2 to n must be a multiple of some prime number less than or equal to n. A) True B) False
Answer: A
- 8) There are 35 prime numbers smaller than 150.
A) True B) FalseAnswer: A
- 9) If a number is divisible by both 3 and 9 then it is divisible by 27.
A) True Answer: B
Find all-natural number factors of the number.
B) False
B) 1, 2, 3, 7, 6, 14, 21, 42 D) 1, 7, 42
C) 5, 25, 125
- 10) 42
Answer: B
- 11) 125
A) 1, 5, 25, 125Answer: A
A) 1, 2, 3, 7, 6, 14, 28, 42 C) 7, 6, 14, 42
B) 5, 62, 125
D) 1, 5, 25
1
- 12) 110
A) 2, 5, 10, 11, 55, 110C) 1, 2, 5, 10, 11, 22, 110 Answer: B
- 13) 676
A) 1, 2, 4, 13, 26, 39, 52, 169, 338, 676 C) 1, 2, 3, 4, 13, 26, 169, 338, 676Answer: B
- 14) 13
A) 1, 2, 3, 4, 6, 13 B) 1, 2, 6, 13 Answer: D
B) 1, 2, 5, 10, 11, 22, 55, 110 D) 1, 2, 4, 5, 10, 11, 22, 55, 110
B) 1, 2, 4, 13, 26, 52, 169, 338, 676 D) 1, 2, 13, 169, 676
Use divisibility tests to decide whether the first number is divisible by the second.
- 15) 281,032; 4 A) Yes
Answer: A
- 16) 772,047; 4 A) Yes
Answer: B
- 17) 793,542; 3 A) Yes
Answer: A
- 18) 788,913; 9 A) Yes
Answer: A
- 19) 516,379; 9 A) Yes
Answer: B
B) No
B) No
B) No
B) No
B) No
