Multiplying Rational Numbers

This video tutorial explains how to multiply rational numbers, including integers, decimals, and fractions. It covers the steps of multiplying absolute values and determining the sign of the product based on the signs of the factors. The tutorial provides examples with negative decimals and fractions, illustrating how to handle different signs. The lesson concludes with a summary of the key points learned.

What is the first step in multiplying two rational numbers?

• Multiply the absolute values of the factors

• Divide the absolute values of the factors

• Subtract the absolute values of the factors

• Add the absolute values of the factors

If two rational numbers have the same sign, what will be the sign of their product?

• Negative

• Positive

• Zero

• Undefined

What is the product of negative 3.52 and negative 0.4?

• Negative 1.408

• Positive 1.408

• Negative 1.4080

• Positive 1.4080

When multiplying negative 3/5 and 1/2, what is the result?

• Positive 3/10

• Negative 3/10

• Negative 1/10

• Positive 1/10

How do you determine the sign of the product when multiplying two rational numbers with different signs?

• The product is zero

• The product is always positive

• The product is undefined

• The product is always negative