Evaluate each expression. 17) 06 0 18) 031 0 19) ` 11 15 ` 20) 02.57 0 Find the opposite of each number. 21) 35 22) 27 23) 2 1 4 24) 7 9 25) 0.8 26) 2.3 Use the number line below for Exercises 27 and 28. Fill in the blank with or to make the statement true. a b 0 c d 27) (d ) _______ c 28) 0 b 0 _______ a (10.2) 29) In your own words, explain how to add two signed numbers. 30) The sum of a number and its opposite always equals what number? Add. 31) 31 19 32) 7 (23) 33) 15 22 34) 54 (18) 35) 3 8 a 1 4 b 36) 2 3 11 12 37) 205.9 237.8 38) 481.6 (420.2) 39) 7 5 a 7 10 b 40) 3 2 a 5 8 b Represent each statement with an addition problem, and solve the problem. 41) On his fi rst run, Marcus gained 16 yd. On his second run, he lost 7 yd. What was his net yardage after these two plays? 42) Ellie’s checking account was overdrawn by $57.62. She deposited $45.00 into the account. What is the balance of her account? Solve each problem. 43) Svetlana deposited her $225.00 paycheck into her debit account, which had a balance of $37.50. Later that week, she used her debit card to purchase groceries costing $118.76 and withdrew $200 cash. What is Svetlana’s new debit account balance? 44) Monte’s 750-GB hard drive had 672 GB of data stored on it. After deleting 387 GB of data, Monte uploaded 157 GB of video and music fi les to the drive. How many gigabytes of storage are free on Monte’s hard drive? (10.3) 45) What is the additive inverse of a number? 46) What is the sum of a number and its additive inverse? Find the additive inverse of each number. 47) 28 48) 9.4 For Exercises 49 and 50, determine whether the statement is always, sometimes, or never true. 49) A negative number subtracted from a positive number equals a positive number. 50) A positive number subtracted from a positive number equals a positive number. Rewrite each subtraction problem as addition. Then, simplify. 51) 8 20 52) 11 19 53) 52 (89) 54) 43 (91) 55) 18.6 13.5 56) 20.5 17.4 57) 2 3 11 6 58) 7 4 3 5 Perform the operations. 59) 4 (19) (15) 60) 2 (17) (5) 61) 14.1 05.2 0 (7.8) 62) ` 3 5 ` a 1 7 b 5 2 (10.4) For Exercises 63–64, fill in the blank with positive or negative. 63) The product of a negative number and a positive number is ________. 64) The quotient of a negative number and a ________ number is positive. Multiply. 65) 12 5 66) 1 (11) 67) 5.6(4) 68) 3.2(9) 69) 39 18 6 13 70) 8 a 7 10 b Divide. 71) 44 (11) 72) 54 6 73) 405 9 74) 265 5 75) 12.72 5.3 76) 11.18 8.6 77) 6 7 (10) 78) 7 5 (14) 79) 5 6 7 24 80) 3 7 9 22 www.mhhe.com/messersmith CHAPTER 10 Review Exercises 761
messersmith_power_basic_college_1e_ch4_7_10
To see the actual publication please follow the link above