Problem 1.47TI: Simplify: 69120 . Problem 1.48TI: Simplify: 120192 . Problem 1.49TI: Multiply: 113(9a) . Problem 1.50TI: Multiply: 137(14b) . Problem 1.51TI: Divide: 727(3536) . Problem 1.52TI: Divide: 514(1528) . Problem 1.53TI: Simplify: a8ab6 . Problem 1.54TI: Simplify: p2pq8 . Problem 1.55TI: Add: 712+1115. Problem 1.56TI: Add: 1315+1720 . Problem 1.57TI: Simplify: (a) 3a489 (b) 3a489 . Problem 1.58TI: Simplify: (a) 4k516 (b) 4k516 . Problem 1.59TI: Simplify: 8(2)+4(3)5(2)+3 . Problem 1.60TI: Simplify: 7(1)+9(3)5(3)2 . Problem 1.61TI: Simplify: ( 1 3 )223+2 . Problem 1.62TI: Simplify: 1+42( 1 4 )2. Problem 1.63TI: Simplify: 13+123413 . Problem 1.64TI: Simplify: 231214+13 . Problem 1.65TI: Evaluate 3ab2 when a=23 and b=12 . Problem 1.66TI: Evaluate 4c3d when c=12 and d=43 . Problem 143E: In the following exercises, simplify. 143. 10863 Problem 144E: In the following exercises, simplify. 144. 10448 Problem 145E: In the following exercises, simplify. 145. 120252 Problem 146E: In the following exercises, simplify. 146. 182294 Problem 147E: In the following exercises, simplify. 147. 14x221y Problem 148E: In the following exercises, simplify. 148. 24a32b2 Problem 149E: In the following exercises, simplify. 149. 210a2110ab2 Problem 150E: In the following exercises, simplify. 150. 30x2105y2 Problem 151E: In the following exercises, perform the indicated operation. 151. 34(49) Problem 152E: In the following exercises, perform the indicated operation. 152. 38415 Problem 153E: In the following exercises, perform the indicated operation. 153. (1415)(920) Problem 154E: In the following exercises, perform the indicated operation. 154. (910)(2533) Problem 155E: In the following exercises, perform the indicated operation. 155.(6384)(4490) Problem 156E: In the following exercises, perform the indicated operation. 156. (3360)(4088) Problem 157E: In the following exercises, perform the indicated operation. 157. 3721n Problem 158E: In the following exercises, perform the indicated operation. 158. 5630m Problem 159E: In the following exercises, perform the indicated operation. 159. 34x11 Problem 160E: In the following exercises, perform the indicated operation. 160.25y9 Problem 161E: In the following exercises, perform the indicated operation. 161. 518(1524) Problem 162E: In the following exercises, perform the indicated operation. 162.718(1427) Problem 163E: In the following exercises, perform the indicated operation. 163. 8u1512v25 Problem 164E: In the following exercises, perform the indicated operation. 164. 12r2518s35 Problem 165E: In the following exercises, perform the indicated operation. 165. 34(12) Problem 166E: In the following exercises, perform the indicated operation. 166. 15(53) Problem 167E: In the following exercises, simplify. 167. 8211235 Problem 168E: In the following exercises, simplify. 168. 9163340 Problem 169E: In the following exercises, simplify. 169.452 Problem 170E: In the following exercises, simplify. 170.5310 Problem 171E: In the following exercises, simplify. 171. m3n2 Problem 172E: In the following exercises, simplify. 172. 38y12 Problem 173E: In the following exercises, add or subtract. 173.712+58 Problem 174E: In the following exercises, add or subtract. 174.512+38 Problem 175E: In the following exercises, add or subtract. 175. 712916 Problem 176E: In the following exercises, add or subtract. 176. 716512 Problem 177E: In the following exercises, add or subtract. 177. 1330+2542 Problem 178E: In the following exercises, add or subtract. 178. 2330+548 Problem 179E: In the following exercises, add or subtract. 179. 39562235 Problem 180E: In the following exercises, add or subtract. 180. 33491835 Problem 181E: In the following exercises, add or subtract. 181. 23(34) Problem 182E: In the following exercises, add or subtract. 182. 34(45) Problem 183E: In the following exercises, add or subtract. 183. x3+14 Problem 184E: In the following exercises, add or subtract. 184. x514 Problem 185E: In the following exercises, add or subtract. 185. (a) 23+16 (b) 2316 Problem 186E: In the following exercises, add or subtract. 186. (a) 2518 (b) 2518 Problem 187E: In the following exercises, add or subtract. 187. (a) 5n6815 (b) 5n6815 Problem 188E: In the following exercises, add or subtract. 188. (a) 3a8712 (b) 3a8712 Problem 189E: In the following exercises, add or subtract. 189. (a) 4x956 (b) 4k956 Problem 190E: In the following exercises, add or subtract. 190. (a)3y843 (b) 3y843 Problem 191E: In the following exercises, add or subtract. 191. (a) 5a3+(106) (b) 5a3(106) Problem 192E: In the following exercises, add or subtract. 192. (a) 2b5+815 (b) 2b5815 Problem 193E: In the following exercises, simplify. 193. 56344523 Problem 194E: In the following exercises, simplify. 194 8976 5692 Problem 195E: In the following exercises, simplify. 195. 523235 Problem 196E: In the following exercises, simplify. 196. 624246 Problem 197E: In the following exercises, simplify. 197. 742(85)9335 Problem 198E: In the following exercises, simplify. 198. 973(128)8766 Problem 199E: In the following exercises, simplify. 199. 9(82)3(157)6(71)3(179) Problem 200E: In the following exercises, simplify. 200. 8(92)4(149)7(83)3(169) Problem 201E: In the following exercises, simplify. 201.23+42( 2 3 )2 Problem 202E: In the following exercises, simplify. 202.3332( 3 4 )2 Problem 203E: In the following exercises, simplify. 203. ( 3 5 )2( 3 7 )2 Problem 204E: In the following exercises, simplify. 204. ( 3 4 )2( 5 8 )2 Problem 205E: In the following exercises, simplify. 205. 213+15 Problem 206E: In the following exercises, simplify. 206. 514+13 Problem 207E: drymlIn the following exercises, simplify. 207. 782312+38 Problem 208E: In the following exercises, simplify. 208. 343514+25 Problem 209E: In the following exercises, simplify. 209. 38(310) Problem 210E: In the following exercises, simplify. 210. 312(59) Problem 211E: In the following exercises, simplify. 211.] 38+512 Problem 212E: In the following exercises, simplify. 212. 18+712 Problem 213E: In the following exercises, simplify. 213. 715y4 Problem 214E: In the following exercises, simplify. 214. 38x11 Problem 215E: In the following exercises, simplify. 215.1112a9a16 Problem 216E: In the following exercises, simplify. 216. 10y13815y Problem 217E: In the following exercises, simplify. 217. 12+23512 Problem 218E: In the following exercises, simplify. 218. 13+2534 Problem 219E: In the following exercises, simplify. 219. 135110 Problem 220E: In the following exercises, simplify. 220. 156112 Problem 221E: In the following exercises, simplify. 221. 3816+34 Problem 222E: In the following exercises, simplify. 222. 25+5834 Problem 223E: In the following exercises, simplify. 223. 12(920415) Problem 224E: In the following exercises, simplify. 224. 8(151656) Problem 225E: In the following exercises, simplify. 225. 58+161924 Problem 226E: In the following exercises, simplify. 226. 16+3101430 Problem 227E: In the following exercises, simplify. 227. (59+16)(2312) Problem 228E: In the following exercises, simplify. 228. (34+16)(5813) Problem 229E: In the following exercises, evaluate. 229. 710w when(a) w=12 (b)w=12 Problem 230E: In the following exercises, evaluate. 230. 512w when(a) w=14 (b)w=14 Problem 231E: In the following exercises, evaluate. 231. 2x2y3 when x=23 and y=12 Problem 232E: In the following exercises, evaluate. 232. 8u2v3 when u=34 and v=12 Problem 233E: In the following exercises, evaluate. 233. a+bab when a=3,b=8 Problem 234E: In the following exercises, evaluate. 234. rsr+s when r=10,s=5 Problem 235E: Why do you need a common denominator to add or subtract fractions? Explain. Problem 236E: How do you find the LCD of 2 fractions? Problem 237E: Explain how you find the reciprocal of a fraction. Problem 238E: Explain how you find the reciprocal of a negative number. format_list_bulleted