# Questions on Algebra: Exponent and logarithm as functions of power answered by real tutors!

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 Algebra: Exponent and logarithm as functions of power Solvers Lessons Answers archive Quiz In Depth

 Question 77283: The value of x in the equation log (x-1)9=2 is Click here to see answer by stanbon(57282)

 Question 77282: The value of x in the equation log 9=2 is (x-1) Click here to see answer by jim_thompson5910(28536)

 Question 77618: i need some help can some please help me .And thanks in advance . How can translate to algebra statement ;do not solve : Three times the difference of five and a twice a number yields the same result as the same number increased by four . Thanks for helpimg me . Click here to see answer by stanbon(57282)

 Question 77845: hello , can you help me with this confusing problem log (fourth root of x^3 Thank you so much Click here to see answer by scott8148(6628)

 Question 78558: Sovle the equation for x using logarithms. Round any decimal answer to the nearest hundredth. Do not use spaces or capital letters. 5^x=83 Click here to see answer by ankor@dixie-net.com(15645)

 Question 78560: Solve using logarithms. Round any decimal answers to the nearest hundredth. Do not use spaces or captial letters. (1/8)^x=606 Click here to see answer by tutor_paul(490)

 Question 78769: Find the integer whose logarithm is between 1.465 and 1.483 options 30 -30 3 Click here to see answer by tutor_paul(490)

 Question 78794: Please help!! I have tried this problem to no end. It is a tqake home homework, not out of a text book. Thanks, Laura solve the given equation: (e^3)x^*e^x^2=e^10 Click here to see answer by mathdoc314(58)

 Question 78839: Match the expression with the correct answer. You may use each answer more than once. A. ln e -b. ln 1 c. log 10 d. e^0 A. 0 B. 1 C. none of the above Click here to see answer by mathdoc314(58)

 Question 78843: Solve the equation for x. Do not use spaces or capital letters. 2^(x+4)=8 Click here to see answer by mathdoc314(58)

 Question 78837: Solve for the unknown using a calculator. Round any decimal answer to the nearest hundredth. Do not use spaces or capital letters. log (x-47) = 2.3838 Click here to see answer by mathdoc314(58)

 Question 78842: Condense each logarithm. (express as a single log)pick a right chose log 12 + 4log 2 - log 3 a.log 32 b. log 64 c. log 2 d. log 3 Click here to see answer by Edwin McCravy(8893)

 Question 78841: Expand the log. pick a right chose log(2x^3/5) a.log2 - 3logx + 5 b.log2 - 3logx - 5 c.log2 + 3logx - log5 d.log2 + 3logx + 5 Click here to see answer by mathdoc314(58)

 Question 78924: Express in exponential form. (use ^ to denote exponents and do NOT use spaces log^(8)512=3 Click here to see answer by Edwin McCravy(8893)

 Question 78925: Determine the value of the log. use ^ to denote exponents and do NOT use spaces) log^(9)27 Click here to see answer by stanbon(57282)

 Question 78840: Match each equation with the transformation that occurs from y=2^x - A. y = -(2)^x - b. y = 2^(x-3) - c. y = 2^x + 3 - d. y = 2^(x+3) - e. y = 2^x - 3 1. shifted right 3 units 2. shifted left 3 units 3. shifted up 3 units 4. shifted down 3 units 5. flipped across the x axis 6. flipped across the y axis Click here to see answer by stanbon(57282)

 Question 78923: Express in exponential form (use ^ to denote exponents and do NOT use spaces) log^(6)36=2 Click here to see answer by stanbon(57282)

 Question 78926: Solve for the variable. Round any decimal answers to the nearest hundredth. Do not use spaces or capital letters in your answer. use ^ to denote exponents and do NOT use spaces) log(3)5=x x=[log5]/[log3] x=1.465 =========== Cheers, Stan H Click here to see answer by stanbon(57282)

 Question 79204: Thanks in advance - this is the last question on my homework and I can't figure it out. Solve for x 10^(2x-1)= e^(4x-3) Click here to see answer by funmath(2925)

 Question 79328: Simplify. Use only positive exponents. (3x+y)^0=? 25^1/2=? -3^2=? 9^3/2=? (-8)^2/3=? Click here to see answer by stanbon(57282)

 Question 79329: According to the CDC, if one member of the household contracts the chickenpox, 90% of family member who have never had the disease or a vaccine will contract the chickenpox. Suppose four members are exposed for the first time. What is the probability that three or fewer family members contract the chickenpox? Click here to see answer by stanbon(57282)

 Question 79365: if log to the 2nd power=0.631 and log 3 to the 5th power=1.465 what is 3 to the 30th power? Click here to see answer by stanbon(57282)

 Question 79338: what is log 3 of 6 when given that log 3 of 2 = .631 and log 3 of 5 = 1.46 Click here to see answer by stanbon(57282)

 Question 79367: 5 square root 3970 find value to 3 significant digits Click here to see answer by checkley75(3666)

 Question 79491: log 2^x=2 log 2^3+log 2 ^5 solve Click here to see answer by Edwin McCravy(8893)

 Question 79503: solve the equation a. -5 b. 2 c. 4 d. 5 Click here to see answer by Edwin McCravy(8893)

 Question 79504: I really need some help on this question. from the information in the table providing values of f(x) and g(x), evaluate (f o g)^-1(3) x 1 2 3 4 5 ___________________________________________ f(x) 5 3 5 1 2 ____________________________________________ g(x) 4 5 1 3 2 a. 1 b. 2 c. 4 d. 5 Click here to see answer by Edwin McCravy(8893)

 Question 79501: find the number log5(1/5) a. -5 b. -1 c. 0.2 d. 1 Click here to see answer by stanbon(57282)

 Question 79502: solve the equation ln(x+5)-ln(3)=ln(x-3) a. 2.5 b. 4.5 c. 5 d. 7 Click here to see answer by josmiceli(9664)

 Question 79522: I really need help with this one. I am trying to plug in numbers and i am not getting it. The amount of a radioactive tracer remaining ater t days is given by A=Aoe^-0.18t, where Ao is the starting amount at the beginning of the time period. How much should be acquired now to have 40 grams remaining after 3 days? a. 47.9 gm b. 48.8 gm c. 61.6 gm d. 68.6 gm Click here to see answer by stanbon(57282)

 Question 79586: THE QUESTION IS: FIND ln(e2.7) and FIND 5log5 exponent7 Click here to see answer by stanbon(57282)

 Question 79656: Please help me with this problem.I am having a lot of issues with these types of problems.I tried plugging in 200 for P and 3 for t but I still cant get it right. The population P of a certain culture is expected to be given by a model P=100e^rt where r is a constant to be determined and t is the number of days since the original population is expected to reach 200 in 3 days. a. 0.231 b. 0.549 c. 1.098 d. 1.50 Click here to see answer by ankor@dixie-net.com(15645)

 Question 79591: What question could each equation or inequality below answer? Solve if possible. Estimate if necessary. 336=7x+7 Click here to see answer by checkley75(3666)