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Question (11)

QN0030263

Find the missing integer: (–8) × □ = 56

(A) –7
(B) 7
(C) –8
(D) 8

Correct Answer: A

Explanation:

Since the product is positive and one factor is negative, the missing integer is –7.

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Question (12)

QN0030264

Evaluate 125 × (–8).

(A) –1000
(B) 1000
(C) –133
(D) 133

Correct Answer: A

Explanation:

125 × (–8) = –1000.

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Question (13)

QN0030265

Which statement is correct?

(A) Swapping the multiplier and multiplicand changes the product.
(B) Swapping the multiplier and multiplicand changes only the sign.
(C) Swapping the multiplier and multiplicand does not change the product.
(D) Swapping the multiplier and multiplicand makes the product zero.

Correct Answer: C

Explanation:

Multiplication of integers is commutative.

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Question (14)

QN0030266

Find the value of (–15) × 2.

(A) –30
(B) 30
(C) –17
(D) 17

Correct Answer: A

Explanation:

(–15) × 2 = –30.

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Question (15)

QN0030267

A student earns +5 marks for every correct answer. If the student answers 18 questions correctly, the total marks earned are

(A) –90
(B) 90
(C) –23
(D) 23

Correct Answer: B

Explanation:

Total marks = 18 × 5 = 90.

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Question (16)

QN0030268

Which expression is equal to (–6) × (–9)?

(A) –54
(B) 54
(C) –15
(D) 15

Correct Answer: B

Explanation:

The product of two negative integers is positive. Hence, 54.

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Question (17)

QN0030269

Evaluate (–4) × (–3) × 5.

(A) –60
(B) 60
(C) –12
(D) 12

Correct Answer: B

Explanation:

(–4) × (–3) = 12 and 12 × 5 = 60.

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Question (18)

QN0030270

Which property is illustrated by (3 × (–5)) × 2 = 3 × ((–5) × 2)?

(A) Commutative property
(B) Associative property
(C) Distributive property
(D) Identity property

Correct Answer: B

Explanation:

Only the grouping of factors changes, not their order.

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Question (19)

QN0030271

Evaluate (–7) × (9 + (–4)).

(A) –35
(B) 35
(C) –91
(D) 91

Correct Answer: A

Explanation:

9 + (–4) = 5 and (–7) × 5 = –35.

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Question (20)

QN0030272

An elevator moves downward at 4 metres per minute. If downward movement is represented by a negative integer, what is its displacement after 15 minutes?

(A) 60 m
(B) –60 m
(C) –19 m
(D) 19 m

Correct Answer: B

Explanation:

Displacement = 15 × (–4) = –60 m.

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Question (11)

Find the missing integer: (–8) × □ = 56

Explanation:

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Question (12)

Evaluate 125 × (–8).

Explanation:

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Question (13)

Which statement is correct?

Explanation:

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Question (14)

Find the value of (–15) × 2.

Explanation:

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Question (15)

A student earns +5 marks for every correct answer. If the student answers 18 questions correctly, the total marks earned are

Explanation:

Link:

Question (16)

Which expression is equal to (–6) × (–9)?

Explanation:

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Question (17)

Evaluate (–4) × (–3) × 5.

Explanation:

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Question (18)

Which property is illustrated by (3 × (–5)) × 2 = 3 × ((–5) × 2)?

Explanation:

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Question (19)

Evaluate (–7) × (9 + (–4)).

Explanation:

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Question (20)

An elevator moves downward at 4 metres per minute. If downward movement is represented by a negative integer, what is its displacement after 15 minutes?

Explanation:

Link:

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