Multiplying and Dividing Integers

Read this text. Pay special attention to the sections Multiplication of Signed Numbers and Division of Signed Numbers. These sections give summaries of the rules for multiplying and dividing positive and negative integers. Complete the practice questions and check your answers.

Examples

Example 3.47

Multiply each of the following:

ⓐ −9⋅3
ⓑ −2(−5)
ⓒ 4(−8)
ⓓ 7⋅6

Example 3.49

Divide each of the following:

ⓐ −27÷3
ⓑ −100÷(−4)


Try It 3.93

Multiply:

ⓐ −6⋅8
ⓑ −4(−7)
ⓒ 9(−7)
ⓓ 5⋅12

Try It 3.94

Multiply:

ⓐ −8⋅7
ⓑ −6(−9)
ⓒ 7(−4)
 ⓓ 3⋅13


Try It 3.95

Multiply.

ⓐ−1⋅9
ⓑ−1⋅(−17)

Try It 3.97

Divide:

ⓐ −42÷6
ⓑ −117÷(−3)

Try It 3.98

Divide:

ⓐ −63÷7
ⓑ −115÷(−5)