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Question (21)

QN0030273

Find the value of (–18) × (–5).

(A) –90
(B) 90
(C) –23
(D) 23

Correct Answer: B

Explanation:

The product of two negative integers is positive. Therefore, (–18) × (–5) = 90.

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Question (22)

QN0030274

Which of the following products is negative?

(A) (–11) × (–3)
(B) 11 × 3
(C) (–11) × 3
(D) (–1) × (–33)

Correct Answer: C

Explanation:

A negative integer multiplied by a positive integer gives a negative product.

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Question (23)

QN0030275

Evaluate (–25) × 4.

(A) 100
(B) –100
(C) –29
(D) 29

Correct Answer: B

Explanation:

(–25) × 4 = –100.

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Question (24)

QN0030276

Which expression illustrates the distributive property of multiplication over addition?

(A) a × b = b × a
(B) (a × b) × c = a × (b × c)
(C) a × (b + c) = a × b + a × c
(D) a × 1 = a

Correct Answer: C

Explanation:

The distributive property states that multiplication distributes over addition.

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Question (25)

QN0030277

Find the value of (–14) × (–9).

(A) –126
(B) 126
(C) –23
(D) 23

Correct Answer: B

Explanation:

The product of two negative integers is positive. Hence, (–14) × (–9) = 126.

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Question (26)

QN0030278

Evaluate 17 × (–12).

(A) 204
(B) –204
(C) –29
(D) 29

Correct Answer: B

Explanation:

17 × (–12) = –204.

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Question (27)

QN0030279

Find the value of (–1) × 58.

(A) –58
(B) 58
(C) 1
(D) –1

Correct Answer: A

Explanation:

Multiplying any integer by –1 gives its additive inverse.

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Question (28)

QN0030280

Which of the following is equal to (–13) × (–7)?

(A) –91
(B) 91
(C) –20
(D) 20

Correct Answer: B

Explanation:

The product of two negative integers is positive. Therefore, (–13) × (–7) = 91.

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Question (29)

QN0030281

Find the missing integer: □ × (–15) = –180.

(A) –12
(B) 12
(C) –15
(D) 15

Correct Answer: B

Explanation:

12 × (–15) = –180.

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Question (30)

QN0030282

Evaluate (–2) × (–5) × (–4).

(A) 40
(B) –40
(C) 11
(D) –11

Correct Answer: B

Explanation:

(–2) × (–5) = 10 and 10 × (–4) = –40.

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Question (21)

Find the value of (–18) × (–5).

Explanation:

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Question (22)

Which of the following products is negative?

Explanation:

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Question (23)

Evaluate (–25) × 4.

Explanation:

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Question (24)

Which expression illustrates the distributive property of multiplication over addition?

Explanation:

Link:

Question (25)

Find the value of (–14) × (–9).

Explanation:

Link:

Question (26)

Evaluate 17 × (–12).

Explanation:

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Question (27)

Find the value of (–1) × 58.

Explanation:

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Question (28)

Which of the following is equal to (–13) × (–7)?

Explanation:

Link:

Question (29)

Find the missing integer: □ × (–15) = –180.

Explanation:

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Question (30)

Evaluate (–2) × (–5) × (–4).

Explanation:

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