94) Pam has $501.08 in her checking account. Her bank took $30.00 out of her account for new checks. She wrote checks for $498.16 and $199.37, then deposited a check for $800.00. Mixed Exercises: Objectives 1–3 Find the additive inverse of each number. 95) 5.31 96) 2 7 Perform the operations. 97) ` 1 8 ` 3 5 1 4 98) 9 7 (15) (6) 99) 154 273 100) 1 6 5 9 101) 4 (9) 3 15 102) 097 0 (158) (112) 103) 102 (43) 151 (62) 104) 37.1 49.2 105) The highest temperature on record in North America was 134F in Death Valley, California, in 1913. The coldest temperature on record in North America was 81.4F in the Yukon Territory of Canada, in 1947. What is the difference in these two temperatures? (www.ncdc.noaa.gov) 106) Tiger Woods’ highest 18-hole score in a professional tournament was 10, or 10 over par. His lowest score was 11, or 11 under par. What is the difference in these scores? (web.tigerwoods.com) 79) 1 3 a 8 9 b 3 2 1 6 80) 3 4 1 3 1 2 a 11 12 b 81) 037 0 82 014 0 (25) 82) 026 0 61 011 0 (39) 83) 1.2 07.3 0 9.6 84) 1.8 03.9 0 7.2 85) 3 4 ` 3 8 ` 3 16 a 1 2 b 86) 5 3 ` 5 6 ` 5 12 a 3 4 b Evaluate each expression. Perform the operations in the parentheses fi rst. 87) 08 3 0 (4) 9 88) 4 (13) 07 1 0 89) 571 0145 200 0 (87) 90) 042 61 0 234 507 Determine the amount of money in the checking account after the following transactions have taken place. 91) Kalila’s checking account is overdrawn by $23.17. She wrote checks for $72.04 and $86.89, then deposited a paycheck for $406.91. Finally, the bank charged an overdraw fee of $15.00. 92) Tantien’s checking account is overdrawn by $59.32. He wrote checks for $31.69 and $92.03, then deposited a paycheck for $517.44. Finally, the bank charged an overdraw fee of $25.00. 93) Jim has $391.62 in his checking account. His bank took $50.00 out of his account for his safe-deposit box rental. He wrote checks for $374.63 and $122.07, then deposited a check for $600.00. R1) Which exercises do you need help mastering? R2) Think of three different scenarios that would involve addition and subtraction. Represent what that might look like on a number line. 740 CHAPTER 10 Signed Numbers www.mhhe.com/messersmith
messersmith_power_basic_college_1e_ch4_7_10
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