9. 0.3¯ repeating
10. 0.6¯ repeating
11. −0.8 terminating
12. −0.25 terminating
13. 0.27¯¯¯¯ repeating
14. 0.3¯ repeating
15. 3.16¯ repeating
16. 2.73¯ repeating
17. 154
18. −4720
19. −163
20. 293
21. 21199
22. 32099
23. 2239495
24. 14, 0939900
25. Rational
26. Rational
27. Rational
28. Rational
29. Rational
30. Rational
31. Irrational
32. Irrational
33. 2 and 11
34. 0, 2, and 11
35. −19,−123 (or−4), 0, 2, and 11
36. −19,−123, 0, 2, 174, 11
37. −3–√ and 10−−√
38. All numbers in the set A are real numbers
39. base 10, exponent 3, 1000
40. base 5, exponent 4, 625
41. base 23, exponent 3, 827
42. base 52, exponent 4, 62516
43. base −2, exponent 3, −8
44. base −12, exponent 4, 116
45. base 3, exponent 4, 162
46. base 13, exponent 3, 527
47. base 3, exponent 4, −162
48. base −2, exponent 4, −48
49. base −2, exponent 5, 96
50. base −3, exponent 2, −45
51. 3>−2
52. −3<−2
53. 12≥12
54. x<x+1
55. 5≤2x
56. x−1>2
57. −x>0
58. x<0
59. 2x+7≤14
60. 2x+3≤5
61. =
62. <
63. <
64. =
65. {−4,−3,−2, 1, 2, 3, 4}
66. {0, 2, 4}
67. {−4,−2, 0, 2}
68. {−4, 3, 2,−1, 0, 1, 2, 3, 4}
69. {−4,−3,−2, 0, 2, 4}
70. {−3, 0, 2, 4}
71. {−4,−3,−2, 0, 2}
72. {−4,−3,−2,−1, 0, 1, 2, 3, 4}
73. (−2, 5), [1, 3]
74. [1, 7], (3, 5)
75. (−6, 10), ∅
76. (−∞, ∞), ∅
77. (−∞, ∞),[2, 5)
78. (−2, ∞), (0, ∞)
79. (−∞, ∞), [−1, 3)∪[5, 7]
80. (−∞, 2]∪(6, ∞), [−3, 0]
81. 4
82. −17
83. 57
84. 35
85. 5−2–√
86. 5−2–√
87. 2−3–√
88. π−3
89. 1
90. −1
91. 2
92. 3
93. |3−8|=5
94. |2−14|=12
95. |−6−9|=15
96. |−12−3|=15
97. |−20−(−6)|=14
98. |−14−(−1)|=13
99. ∣∣∣227−(−47)∣∣∣=267
100. ∣∣∣165−(−35)∣∣∣=195
101. −3<x≤1
102. −6≤x<−2
103. x≥−3
104. x≥0
105. x≤5
106. x≤−1
107. −34<x<94
108. −3<x<−12
109. 4x+4
110. −6+3x
111. 5x−5y+5
112. 6x+10−2y
113. −5;15
114. 23;−32
115. 0; No reciprocal
116. −1.7;1017
117. Additive inverse
118. Additive inverse
119. Multiplicative identity
120. Multiplicative identity
121. Multiplicative associative
122. Multiplicative associative
123. Multiplicative inverse
124. Multiplicative inverse
125. Additive identity
126. Additive identity
127. Additive associative
128. Additive, commutative, and associative
129. 2915
130. 2920
131. 6735
132. 5912
133. 1715
134. 3445
135. −1140
136. 2740
137. −899
138. 124
139. −110
140. 112
141. 29
142. 23
143. 32
144. 13
145. 23
146. 914
147. 1
148. 112
149. 115
150. 116
151. 11
152. −21
153. −1
154. 56
155. −6
156. 433
157. −13
158. −775
159. 6215
160. −10475
161. 3x+xy3y
162. (x+2)(x+3)=x2+5x+6
163. 5(x+3)=5x+15
164. (25x)(4x)=100x2
165. x−(3y+2)=x−3y−2
166. 2x−(4y−5)=2x−4y+5
167. x+yx=1+yx
168. x+yx+z=xx+z+yx+z
169. (x+1)(y+1)=xy+x+y+1
170. 1x1y=yx