Get the information you need with the help of IDNLearn.com's expert community. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.

Explain how you can use the rules of multiplying a positive number by a negative

number to check that your answer has the correct sign.

Answer in at least 2 complete sentences


Sagot :

A multiplication is a basic mathematical operation that involves the addition of a given number to zero in a number of specified times. Multiplication of two numbers is also known as the product of the numbers

The correct response is as follows;

In a multiplication calculation, an even number of negative numbers give a positive number. If the number of negative numbers in the multiplication calculation is odd, the resulting number will be negative

Reason:

The rules for multiplication of a positive numbers given the signs of the numbers are;

The multiplication of two numbers having the same sign is a positive number

(Negative number) × (Negative number) = Positive number

(Positive number) × (Positive number) = Positive number

The product of two numbers having different sign is a negative number

(Positive number) × (Negative number) = Negative number

Therefore;

The product of a set numbers having an odd number count of negative numbers (or an odd sum of the exponents of the negative numbers) give a negative number. If the count of the negative numbers is even, the answer will be positive

Learn more about multiplication here:

https://brainly.com/question/21543603