Prealgebra and Introductory Algebra: An Applied Approach (3rd Edition)
Richard N. Aufmann, Joanne S. Lockwood
Language: English
Pages: 1045
ISBN: 1285477111
Format: PDF / Kindle (mobi) / ePub
The focus in PREALGEBRA & INTRODUCTORY ALGEBRA, 3E, International Edition is on you, the student. You are encouraged to be an active participant both in the classroom and in your own studies as you work through the How To examples and the paired Examples and You Try It problems.
Active engagement is crucial to your success.
PREALGEBRA & INTRODUCTORY ALGEBRA, 3E, International Edition presents worked examples, and then provides you with the opportunity to immediately solve similar problems, helping you build confidence as you learn to master the concepts. This simple framework, known as the Aufmann Interactive Method (AIM) is the foundation for your success.
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3,539,341 mi2. What is the land area of the United States to the nearest ten-thousand square miles? The land area of Canada is 3,851,809 mi2. What is the land area of Canada to the nearest thousand square miles? Strategy To find the land area to the nearest ten-thousand square miles, round 3,539,341 to the nearest ten-thousand. Your strategy Solution 3,539,341 rounded to the nearest ten-thousand is 3,540,000. To the nearest ten-thousand square miles, the land area of the United States is.
Remove additional content at any time if subsequent rights restrictions require it. 12 C H A P T E R 1 W h o l e N u m b e r s 1.1 EXERCISES Concept Check 1. The inequality 7 > 4 is read “seven four.” 2. Fill in the blank with < or >: On the number line, 2 is to the left of 8, so 2 8. 3. To write the number 72,405 in words, first write seventy-two. Next, replace the comma with the word . Then write the words four hundred five. 4. To write the number eight hundred.
Between the 8. Write thirty-two thousand five hundred nine two numbers. in standard form. 247 163 9. Evaluate 2xy for x 5 50 and y 5 7. 10. Find the quotient of 15,642 and 6. 11. Subtract: 6407 2 2359 12. Estimate the sum of 482, 319, 570, and 146. 13. Find all the factors of 50. 14. Is 7 a solution of the equation 24 2 y 5 17? 15. Simplify: 16 1 4 17 2 52 2 4 8 16. Identify the property that justifies the statement. 17. Write 4,927,036 in words. 18.
Multiply a decimal by a power of 10 (10, 100, 1000, . . .), move the decimal point to the right the same number of places as there are zeros in the power of 10. 2.7935 # 10 5 27.935 1 zero 2.7935 # 100 5 279.35 2 zeros 2.7935 # 1000 3 zeros 2.7935 # 10,000 4 zeros 2.7935 # 100,000 5 zeros 4 decimal places 5 279,350. 3 decimal places 5 27,935. 2 decimal places 5 2793.5 1 decimal place 5 decimal places A zero must be.
19 Convert 7.25 to a fraction. Convert 6.2 to a fraction. Solution 7.25 5 7 25 1 57 100 4 Your solution example 20 you Try it 20 Place Place the correct symbol, , or ., between the two numbers. the correct symbol, , or ., between the two numbers. 0.845 5 6 0.588 5 Solution < 0.8333 6 7 12 Your solution 0.8450 . 0.8333 0.845 . 5 6 Solutions on p. S8 Copyright 201 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in.