# B the absolute values of 12 and 9 are 12 and 9 and 12

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Chapter 2 / Exercise 99
Precalculus: Real Mathematics, Real People
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b) The absolute values of 12 and 9 are 12 and 9, and 12 9 21. So, ( 12) ( 9) 21. c) Add the absolute values of 3.5 and 6.28, and put a negative sign on the sum. Remember to line up the decimal points when adding decimal numbers: 3.50 6.28 9.78 So ( 3.5) ( 6.28) 9.78. d) 1 2 1 4 2 4 1 4 3 4 Now do Exercises 1–10
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Chapter 2 / Exercise 99
Precalculus: Real Mathematics, Real People
Larson Expert Verified
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