# Examples on Multiplication of Integers

Examples on multiplication of integers on different types of questions on integers are discussed here step by step.

1. Find the products of (-10) × 11

Solution:

(-10) × 11

= - (10 × 11)

= - 110

2. Find the products of 5 × (-7)

Solution:

5 × (-7)

= - (5 × 7)

= - 35

3. Find the products of (-115) × 8

Solution:

(-115) × 8

= - (115 × 8)

= - 920

4. Find the products of 9 × (-3) × (-6)

Solution:

9 × (- 3) × (- 6)

= - {(9 × (-3)} × (- 6)

= -(9 × 3) × (-6)

= - 27 × (-6)

= 27 × 6 = 162

5. Find the products of (-12) × (-13) × (-5)

Solution:

(- 12) × (- 13) × (-5)

= {(-12) × (-13)} × (-5)

= (12 × 13 ) × (-5)

= 156 × (-5)

= -(156 × 5 )

= -780

6. Evaluate the products of (-1) × (-2) × (-3) × (-4) × (-5)

Solution:

Since the number of negative integers in the product their product is odd. Therefore their product is negative.

(-1) × (-2) × (-3) × (-4) × (-5)

= -(1×2×3×4×5)

= -(2×3×4×5)               [Since, 1 × 2 = 2]

=(6 × 4 × 5 )                [Since, 2 × 3 = 6 ]

= -(24 × 5 ) = -120        [Since, 6 × 4 = 24 ]

7. Evaluate the products of (3) × (-6) × (-9) × (-12)

Solution:

Since the number of negative integers in the given product is even. Therefore, their product is positive.

(-3) × (-6) × (-9) × (-12)

= (3 × 6 × 9 × 12)

= (18 × 9 × 12)          [Since, 3 × 6 =18]

= (162 × 12)              [Since, 18 × 9 =162]

= 1944

8. Find the value of 15625 × (-2) + (-15625) × 98

Solution:

15625 × (-2) + (-15625) × 98

= (-15625) × 2 + (-15625) × 98, [Since, 15625 × (-2) = -(15625 × 2) = (-15625 × 2)]

= (-15625) × (2 + 98),                         [Using: a × b + a × c = a × (b + c)]

= (-15625) × 100

= -(15625 × 100)

= -1562500

9. Find the value of 18946 × 99 - (-18946)

Solution:

18946 × 99 - (-18946)

= 18946 × 99 + 18946

= 18946 × 99 + 18946 × 1       [Since, 18946 = 18946×1]

= 18946 × (99 + 1)                 [Using: a × b + a × c = a × (b + c)]

= 18946 × 100

=1894600

10. Find the value of 1569 × 887 -569 × 887

Solution:

1569 × 887 – 569 × 887

= (1569 - 569) × 887       [Since, b × a - c × a = (b - c) × a]

= 1000 × 887

= 887000

Students can practice these examples on multiplication of integers which are discussed here step by step.

Numbers - Integers

Integers

Multiplication of Integers

Properties of Multiplication of Integers

Examples on Multiplication of Integers

Division of Integers

Absolute Value of an Integer

Comparison of Integers

Properties of Division of Integers

Examples on Division of Integers

Fundamental Operation

Examples on Fundamental Operations

Uses of Brackets

Removal of Brackets

Examples on Simplification

Numbers - Worksheets

Worksheet on Multiplication of Integers

Worksheet on Division of Integers

Worksheet on Fundamental Operation

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