Basic Mathematics for College Students

WATER STORAGE Over a week’s time, engineers at a city water reservoir released enough water to lower the water level 105 feet. ...

2.6 Order of Operations and Estimation 183 SECTION 2.6 Order of Operations and Estimation In this chapter, we have discussed the ...

184 Chapter 2 The Integers EXAMPLE (^2) Evaluate: StrategyWe will perform the multiplication first. WHYThere are no operations t ...

2.6 Order of Operations and Estimation 185 EXAMPLE (^5) Evaluate: StrategyWe will begin by evaluating the expression that is wit ...

186 Chapter 2 The Integers EXAMPLE 7 Evaluate: StrategyWe will work within the parentheses first and then within the brackets. W ...

2.6 Order of Operations and Estimation 187 The Language of Mathematics Multiplication is indicated when a number is outside and ...

188 Chapter 2 The Integers 12 3. 4. 5. 48 6. 25 7. 9 8. 9. a. 30 b. 93 10. 28 11.There was a net loss that week of approxima ...

2.6 Order of Operations and Estimation 189 GUIDED PRACTICE Evaluate each expression.See Example 1. Evaluate each e ...

APPLICATIONS THE STOCK MARKET For the week of January 5–9, 2009, the Dow Jones Industrial ...

2.6 Order of Operations and Estimation 191 THE FEDERAL BUDGET See the graph below. Suppose you were hired to write a speech for ...

Negative numbers can be represented on a number lineby extending the line to the left and drawing an arrowhead. As we move to th ...

Chapter 2 Summary and Review 193 Inequality symbols: means is not equal to means is greater than or equal to  means is less tha ...

Adding two integers that have different (unlike) signs To add a positive integer and a negative integer, subtract the smaller ab ...

Chapter 2 Summary and Review 195 To evaluate expressions that contain several additions, we make repeated use of the rules for a ...

196 Chapter 2 The Integers SECTION 2.3 Subtracting Integers The rule for subtraction is helpful when subtracting signed numbers. ...

Chapter 2 Summary and Review 197 another 75 feet, they came upon a much larger find. Use a signed number to represent the depth ...

198 Chapter 2 The Integers Multiplying an even and an odd number of negative integers The product of an even number of negative ...

Chapter 2 Summary and Review 199 Dividing two integers To divide two integers, divide their absolute values. 1.The quotient of t ...

200 Chapter 2 The Integers Order of operations 1.Perform all calculations within parentheses and other grouping symbols followin ...

201 CHAPTER 2 TEST Fill in the blanks. a. is called the set of. b. The symbols and are called symbols. c. The of a number is th ...