Problem 10.75TI: Solve: 2log3x=log336 Problem 10.76TI: Solve: 3logx=log64 Problem 10.77TI: Solve: log2x+log2(x2)=3 Problem 10.78TI: Solve: log2x+log2(x6)=4 Problem 10.79TI: Solve: log(x+2)log(4x+3)=logx. Problem 10.80TI: Solve: log(x2)log(4x+16)=log1x. Problem 10.81TI: Solve 7x=43 . Find the exact answer and then approximate it to three decimal places. Problem 10.82TI: Solve 8x=98. Find the exact answer and then approximate it to three decimal places. Problem 10.83TI: Solve 2ex2=18 . Find the exact answer and then approximate it to three decimal places. Problem 10.84TI: Solve 5e2x=25. Find the exact answer and then approximate it to three decimal places. Problem 10.85TI: Hector invests $10,000 at age 21. He hopes the investments will be worth when he turns 50. If the... Problem 10.86TI: Rachel invests $15,000 at age 25. She hopes the investments will be worth when she turns 40. If the... Problem 10.87TI: Researchers recorded that a certain bacteria population grew from 100 to 500 in 6 hours. At this... Problem 10.88TI: Researchers recorded that a certain bacteria population declined from 700,000 to 400,000 in 5 hours... Problem 10.89TI: The half-life of magnesium-27 is 9.45 minutes. How much of a 10-mg sample will be left in 6 minutes? Problem 10.90TI: The half-life of radioactive iodine is 60 days. How much of a 50-mg sample will be left in 40 days? Problem 288E: In the following exercises, solve for x. 288. log464=2log4x Problem 289E: In the following exercises, solve for x. 289. log49=2logx Problem 290E: In the following exercises, solve for x. 290. 3log3x=log327 Problem 291E: In the following exercises, solve for x. 291. 3log6x=log664 Problem 292E: In the following exercises, solve for x. 292. log5(4x2)=log510 Problem 293E: In the following exercises, solve for x. 293. 3 log3(x2+3)=log34x Problem 294E: In the following exercises, solve for x. 294. log3x+log3x=2 Problem 295E: In the following exercises, solve for x. 295. log4x+log4x=3 Problem 296E: In the following exercises, solve for x. 296. log2x+log2(x3)=2 Problem 297E: In the following exercises, solve for x. 297. log3x+log3(x+6)=3 Problem 298E: In the following exercises, solve for x. 299. logx+log(x15)=2 Problem 299E: In the following exercises, solve for x. 299. logx+log(x15)=2 Problem 300E: In the following exercises, solve for x. 300. log(x+4)log(5x+12)=logx Problem 301E: In the following exercises, solve for x. 301. log(x1)log(x+3)=log1x Problem 302E: In the following exercises, solve for x. 302. log5(x+3)+log5(x6)=log510 Problem 303E: In the following exercises, solve for x. 303. log5(x+1)+log5(x5)=log57 Problem 304E: In the following exercises, solve for x. 304. log3(2x1)=log3(x+3)+log33 Problem 305E: In the following exercises, solve for x. 305. log(5x+1)=log(x+3)+log2 Problem 306E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 307E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 308E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 309E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 310E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 311E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 312E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 313E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 314E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 315E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 316E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 317E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 318E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 319E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 320E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 321E: In the following exercises, solve each exponential equation. Find the exact answer and then... Problem 322E: In the following exercises, solve each equation. 322. 33x+1=81 Problem 323E: In the following exercises, solve each equation. 323. 64x17=216 Problem 324E: In the following exercises, solve each equation. 324. ex2e14=e5x Problem 325E: In the following exercises, solve each equation. 325. ex2ex=e20 Problem 326E: In the following exercises, solve each equation. 326. loga64=2 Problem 327E: In the following exercises, solve each equation. 327. loga81=4 Problem 328E: In the following exercises, solve each equation. 328. lnx=8 Problem 329E: In the following exercises, solve each equation. 329.lnx=9 Problem 330E: In the following exercises, solve each equation. 330. log5(3x8)=2 Problem 331E: In the following exercises, solve each equation. 331. log4(7x+15)=3 Problem 332E: In the following exercises, solve each equation. 332. lne5x=30 Problem 333E: In the following exercises, solve each equation. 333. lne6x=18 Problem 334E: In the following exercises, solve each equation. 334. 3logx=log125 Problem 335E: In the following exercises, solve each equation. 335. 7log3x=log3128 Problem 336E: In the following exercises, solve each equation. 336. log6x+log6(x5)=24 Problem 337E: In the following exercises, solve each equation. 337. log9x+log9(x4)=12 Problem 338E: In the following exercises, solve each equation. 338. log2(x+2)log2(2x+9)=log2x Problem 339E: In the following exercises, solve each equation. 339. log6(x+1)log6(4x+10)=log61x Problem 340E: In the following exercises, solve for x, giving an exact answer as well as an approximate to three... Problem 341E: In the following exercises, solve for x, giving an exact answer as well as an approximate to three... Problem 342E: In the following exercises, solve for x, giving an exact answer as well as an approximate to three... Problem 343E: In the following exercises, solve for x, giving an exact answer as well as an approximate to three... Problem 344E: In the following exercises, solve. 344. Sung Lee invests $5,000 at age 18. He hopes the investments... Problem 345E: In the following exercises, solve. 345. Alice invests $15,000 at age 30 from the signing bonus of... Problem 346E: In the following exercises, solve. 346. Coralee invests $5,000 in an account that compounds interest... Problem 347E: In the following exercises, solve. 347. Simone invests $8,000 in an account that compounds interest... Problem 348E: In the following exercises, solve. 348. Researchers recorded that a certain bacteria population... Problem 349E: In the following exercises, solve. 349. Researchers recorded that a certain bacteria population... Problem 350E: In the following exercises, solve. 350. A virus takes 6 days to double its original population... Problem 351E: In the following exercises, solve. 351. A bacteria doubles its original population in 24 hours... Problem 352E: In the following exercises, solve. 352. Carbon-14 is used for archeological carbon dating. Its... Problem 353E: In the following exercises, solve. Radioactive technetium-99m is often used in diagnostic medicine... Problem 354E: Explain the method you would use to solve these equations: 3x+1=81,3x+1=75. Does your method require... Problem 355E: What is the difference between the equation for exponential growth versus the equation for... format_list_bulleted