**
Signed Numbers ((Reference))**

For the following problems, find

#### Exercise 1

27

##### Solution

#### Exercise 2

#### Exercise 3

##### Solution

#### Exercise 4

#### Exercise 5

##### Solution

**Absolute Value ((Reference))**

Simplify the following problems.

#### Exercise 6

#### Exercise 7

##### Solution

3

#### Exercise 8

#### Exercise 9

##### Solution

12

#### Exercise 10

**AddItion of Signed Numbers ((Reference)) - Multiplication and Division of Signed Numbers ((Reference))**

Simplify the following problems.

#### Exercise 11

##### Solution

#### Exercise 12

#### Exercise 13

##### Solution

17

#### Exercise 14

#### Exercise 15

##### Solution

18

#### Exercise 16

#### Exercise 17

##### Solution

#### Exercise 18

#### Exercise 19

##### Solution

10

#### Exercise 20

#### Exercise 21

##### Solution

#### Exercise 22

#### Exercise 23

##### Solution

#### Exercise 24

#### Exercise 25

##### Solution

**Multiplication and Division of Signed Numbers ((Reference))**

Find the value of each expression for the following problems.

#### Exercise 26

#### Exercise 27

##### Solution

#### Exercise 28

**Negative Exponents ((Reference))**

Write the expressions for the following problems using only positive exponents.

#### Exercise 29

##### Solution

#### Exercise 30

#### Exercise 31

##### Solution

#### Exercise 32

#### Exercise 33

##### Solution

#### Exercise 34

#### Exercise 35

##### Solution

#### Exercise 36

#### Exercise 37

##### Solution

#### Exercise 38

#### Exercise 39

##### Solution

#### Exercise 40

#### Exercise 41

##### Solution

#### Exercise 42

#### Exercise 43

##### Solution

#### Exercise 44

#### Exercise 45

##### Solution

#### Exercise 46

#### Exercise 47

##### Solution

#### Exercise 48

#### Exercise 49

##### Solution

#### Exercise 50

#### Exercise 51

##### Solution

#### Exercise 52

#### Exercise 53

##### Solution

#### Exercise 54

#### Exercise 55

##### Solution

**Scientific Notation ((Reference))**

Write the following problems using scientific notation.

#### Exercise 56

8739

#### Exercise 57

73567

##### Solution

#### Exercise 58

21,000

#### Exercise 59

746,000

##### Solution

#### Exercise 60

8866846

#### Exercise 61

##### Solution

#### Exercise 62

#### Exercise 63

##### Solution

#### Exercise 64

#### Exercise 65

##### Solution

#### Exercise 66

46,000,000,000,000,000

Convert the following problems from scientific form to standard form.

#### Exercise 67

##### Solution

#### Exercise 68

#### Exercise 69

##### Solution

#### Exercise 70

#### Exercise 71

##### Solution

#### Exercise 72

#### Exercise 73

##### Solution

#### Exercise 74

#### Exercise 75

##### Solution

#### Exercise 76

#### Exercise 77

##### Solution

#### Exercise 78

#### Exercise 79

##### Solution

Find the product for the following problems. Write the result in scientific notation.

Comments:"Reviewer's Comments: 'I recommend this book for courses in elementary algebra. The chapters are fairly clear and comprehensible, making them quite readable. The authors do a particularly nice job […]"