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Question (31)

QN0030323

Which of the following has the same magnitude as 7 × 5?

(A) (–7) × 5
(B) 7 × (–5)
(C) (–7) × (–5)
(D) All of these

Correct Answer: D

Explanation:

All four products have magnitude 35.

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Question (32)

QN0030324

Find the value of (–5) × (–9).

(A) –45
(B) 45
(C) –14
(D) 14

Correct Answer: B

Explanation:

The product of two negative integers is positive. Hence, the answer is 45.

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Question (33)

QN0030325

Which statement is correct?

(A) Changing the signs of both integers changes the magnitude of the product.
(B) Changing the signs of both integers changes only the sign of the product.
(C) Changing the signs of both integers does not change the magnitude of the product.
(D) Changing the signs of both integers always makes the product zero.

Correct Answer: C

Explanation:

Only the sign may change; the magnitude remains the same.

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Question (34)

QN0030326

Complete the pattern: 1 × 8 = 8, 0 × 8 = 0, (–1) × 8 = –8, (–2) × 8 = _____

(A) 16
(B) –16
(C) –8
(D) 8

Correct Answer: B

Explanation:

The product decreases by 8 each step. Hence, (–2) × 8 = –16.

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Question (35)

QN0030327

Evaluate (–6) × (–4).

(A) –24
(B) 24
(C) –10
(D) 10

Correct Answer: B

Explanation:

Two negative integers have a positive product. Therefore, the value is 24.

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Question (36)

QN0030328

Which of the following products is positive?

(A) (–8) × 6
(B) 8 × (–6)
(C) (–8) × (–6)
(D) (–8) × 6 × 1

Correct Answer: C

Explanation:

The product of two negative integers is positive.

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Question (37)

QN0030329

In the pattern 4 × 6, 3 × 6, 2 × 6, 1 × 6, 0 × 6, the product decreases by

(A) 4
(B) 5
(C) 6
(D) 12

Correct Answer: C

Explanation:

As the multiplier decreases by 1, the product decreases by 6.

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Question (38)

QN0030330

Find the value of (–3) × (–10).

(A) –30
(B) 30
(C) –13
(D) 13

Correct Answer: B

Explanation:

The product of two negative integers is positive. Therefore, the answer is 30.

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Question (39)

QN0030331

Which multiplication completes the pattern correctly? 2 × (–10) = –20, 1 × (–10) = –10, 0 × (–10) = 0, _____

(A) (–1) × (–10) = 10
(B) (–1) × (–10) = –10
(C) (–2) × (–10) = –20
(D) 1 × 10 = 10

Correct Answer: A

Explanation:

Continuing the pattern gives (–1) × (–10) = 10.

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Question (40)

QN0030332

A machine produces a pattern of products: 3 × 11, 2 × 11, 1 × 11, 0 × 11, (–1) × 11. What is the last product?

(A) 11
(B) –11
(C) –22
(D) 22

Correct Answer: B

Explanation:

(–1) × 11 = –11.

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Question (31)

Which of the following has the same magnitude as 7 × 5?

Explanation:

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Question (32)

Find the value of (–5) × (–9).

Explanation:

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Question (33)

Which statement is correct?

Explanation:

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Question (34)

Complete the pattern: 1 × 8 = 8, 0 × 8 = 0, (–1) × 8 = –8, (–2) × 8 = _____

Explanation:

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Question (35)

Evaluate (–6) × (–4).

Explanation:

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Question (36)

Which of the following products is positive?

Explanation:

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Question (37)

In the pattern 4 × 6, 3 × 6, 2 × 6, 1 × 6, 0 × 6, the product decreases by

Explanation:

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Question (38)

Find the value of (–3) × (–10).

Explanation:

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Question (39)

Which multiplication completes the pattern correctly? 2 × (–10) = –20, 1 × (–10) = –10, 0 × (–10) = 0, _____

Explanation:

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Question (40)

A machine produces a pattern of products: 3 × 11, 2 × 11, 1 × 11, 0 × 11, (–1) × 11. What is the last product?

Explanation:

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