Chapter 1 - XYZ Custom Plus

42Chapter 1 The Basics35. −(5 − 7) − (2 − 8)836. −(4 − 8) − (2 − 5)737. −(3 − 10) − (6 − 3)438. −(3 − 7) − (1 − 2)539. 16 − [(4 − 5) − 1]1840. 15 − [(4 − 2) − 3]1641. 5 − [(2 − 3) − 4]1042. 6 − [(4 − 1) − 9]1243. 21 − [−(3 − 4) − 2] − 51744. 30 − [−(10 − 5) − 15] − 2525B The following problems involve multiplication and exponents. Use the rule for order of operations to simplify eachexpression as much as possible. [Examples 6–7]45. 2 ⋅ 8 − 3 ⋅ 5146. 3 ⋅ 4 − 6 ⋅ 7−3047. 3 ⋅ 5 − 2 ⋅ 7148. 6 ⋅ 10 − 5 ⋅ 20−4049. 5 ⋅ 9 − 2 ⋅ 3 − 6 ⋅ 22750. 4 ⋅ 3 − 7 ⋅ 1 − 9 ⋅ 4−3151. 3 ⋅ 8 − 2 ⋅ 4 − 6 ⋅ 7−2652. 5 ⋅ 9 − 3 ⋅ 8 − 4 ⋅ 5153. 2 ⋅ 3 2 − 5 ⋅ 2 2−254. 3 ⋅ 7 2 − 2 ⋅ 8 21955. 4 ⋅ 3 3 − 5 ⋅ 2 36856. 3 ⋅ 6 2 − 2 ⋅ 3 2 − 8 ⋅ 6 2−198Subtract.57. −3.4 − 7.9 −11.3 58. −3.5 − 2.3 −5.8 59. 3.3 − 6.9 −3.6 60. 2.2 − 7.5 −5.3