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Chapter 1: Q54. (page 52)

Find the product or quotient 54.20鈥夆赌�(鈭�鈥夆赌�12)

Short Answer

Expert verified

The value of the product 20 (鈥� 12) is 鈥� 240.

Step by step solution

01

Step-1 – Apply the concept of product

When two or more numbers are multiplied together, it gives a number. The numbers that are being multiplied are called the factors. And the result of the multiplication of numbers is called the product of those numbers.

02

Step-2 – Example for the product

For example, 30 is the product of 6 and 5 (the result of multiplication), and is the product of and. (indicating that the two factors should be multiplied together).

30=鈥夆赌�6鈥夆赌�路鈥夆赌�5(The two factors are 6 and 5)

26=鈥夆赌�2鈥夆赌�路鈥夆赌�13(The two factors are 2 and 13)

03

Step-3 – Rules and examples for multiplication of integers 

RULE 1: The product of a positive integer and a negative integer is negative.

RULE 2: The product of two positive integers is positive.

RULE 3: The product of two negative integers is positive.

04

Step-4 – Find the product or quotient 20 (– 12) 

Rule: The product of a positive integer and a negative integer is negative.

Here the first factor 20 is positive and the second factor 12 is negative.

According to the rule, the product is negative.20鈥夆赌�(鈭�鈥夆赌�12)鈥夆赌�=鈥夆赌�鈭�鈥夆赌�240

The product of 20鈥夆赌塧nd鈥夆赌�(鈭�鈥夆赌�12)鈥夆赌塱s鈥夆赌�鈭�鈥夆赌�240.

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