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By I. Bello

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Answers to PROBLEMS 7. a. \$1000 b. \$700 c. 2 Ordering and Rounding Whole Numbers 19 PRICE WITH OPTIONS By the way, the estimate comes to exactly \$22,000. How does your car pollution compare to the pollution from your mower? We shall see in Example 8. S. Environmental Protection Agency (EPA), a traditional gas-powered lawn mower produces as much air pollution as 43 new cars being driven 12,000 miles each. Round 43 to the nearest 10. PROBLEM 8 Round 12,000 to the nearest ten thousand. ‫؍‬ SOLUTION 8 Step 1.

Florida 2. Michigan 3. California 4. Minnesota 946,072 944,800 894,884 853,448 Source: Data from National Marine Manufacturers Association. 5. 853,4 4 8 6. 853, 4 48 Applications: Green Math VVV In Problems 7–8, what is the value of the circled number? Number of People Living without Electricity Region Millions without Electricity 7. Sub-Saharan Africa 5 4 7 8. org/. In Problems 9–12, what is the underlined place value? Education and earnings 9. \$74,602 \$51,206 10. \$27,915 11. \$18,734 12. S. Census Bureau.

1,170,000 We then have 1,169,863 Ϸ 1,170,000, which means that 1,169,863 rounded to the nearest thousand is 1,170,000. Sometimes the same number is rounded to different places. ). This number can be rounded to The nearest hundred 231,232,876 Ϸ 231,232,900 The nearest thousand 231,232,876 Ϸ 231,233,000 The nearest million 231,232,876 Ϸ 231,000,000 We use this idea in Example 6, which should be of interest to you. EXAMPLE 6 Rounding whole numbers It has been estimated that by retirement age a high school graduate will outearn a non–high school graduate by \$405,648.