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Chapter 2: Q10. (page 62)

Perform the indicated operation.

6 (-7)

Short Answer

Expert verified

The value of the expression is– 42.

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 – Rules of 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.

03

Step-3 – Evaluate the expression

The expression: 6-7

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

6 is positive and 7 is negative, so their product will be negative.

6-7  =  -  42

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