# 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 192471: Here is the problem. (t-4)to the 2/5 power =4. The book said the answer was 36, and it works out, but how did they arrive at this answer? I squared t-4 and took the square root of the answer, then my answer to the 5th power, but I didn't get 36. Click here to see answer by Earlsdon(6287)

 Question 192676: I am having so much trouble with solving logarithmic equations. I dont understand what happens. I know to cancel out but i just really need some help. Click here to see answer by stanbon(57246)

 Question 192752: i can not seem to generate a graph for the expression F(x)=(1/2)^x i have set up a table such as the domain's i used are {-2,-1,0,1,2,} can you help?? Click here to see answer by Earlsdon(6287)

 Question 192861: Can you solve this? 5^(1-2x)=1/5 and 3x^3=9^x? Thanks Click here to see answer by stanbon(57246)

 Question 193203: Sorry if this is the wrong field for my question, but I need help on powers to a fraction, the format i'm looking for is the way to solve than you so much, i need this as soon as possible. Also i need help with logarithms such as how to solve Click here to see answer by Alan3354(30983)

 Question 193209: I need to solve for X on the equation Click here to see answer by stanbon(57246)

 Question 193213: what i mean is how i solve this without a calculator, because i dont know how to solve for X on the equation so what do i do, I know that X=3 when the equation is but i need to know why Click here to see answer by jim_thompson5910(28504)

 Question 193527: Could you please provide me a detailed explanation of how to solve the following problem ln (1 / Click here to see answer by jim_thompson5910(28504)

 Question 193526: It is okay to use a calculator to the solution to the following problem... 1 / 2 + Click here to see answer by Mathtut(3670)

 Question 193552: USE SYNTHETIC SUBSTITUTION TO EVALUATE THE POLYNOMIAL FUNCTION FOR THE GIVEN VALUE OF X. F(X)=X^3+5X^2+4X+6 X=2 Click here to see answer by RAY100(1637)

 Question 193555: USE SYNTHETIC SUBSTITUTION TO EVALUATE THE POLYNOMIAL FUNCTION FOR THE GIVEN VALUE OF X. F(X)=5X^3-4X^2-2 X=0 Click here to see answer by RAY100(1637)

 Question 193541: Could you please provide me with a detailed explanation on how to solve the following... log2 (5) - log2 (15) + log2 (24) Click here to see answer by stanbon(57246)

 Question 193540: Could you please provide me with a detailed explantation on how to solve the following... log 2 Click here to see answer by jim_thompson5910(28504)

 Question 193557: Could you please provide a detailed explanation of how to solve the following... 5^3log3(2) Click here to see answer by stanbon(57246)

 Question 193616: Led Zeppelin once played a concert which exerted sounds of 10 000 times the intensity of a sound that can just be heard. What is the loudness in decibels? Click here to see answer by stanbon(57246)

 Question 193646: True or False... 2^log4(1/2)= 1/2 If false could you show me how to find the correct answer. Thanks! Click here to see answer by Alan3354(30983)

 Question 193637: How do you find the solution for... 5^3log3(2) Click here to see answer by Alan3354(30983)

 Question 193659: To Alan3354 Clarification on Question 193637 Your second option is the correct form of the question that I need help with. Click here to see answer by Alan3354(30983)

 Question 193667: Find (x) in each case... f(x) = + 2 f(x) = Click here to see answer by RAY100(1637)

 Question 193715: If log[4](sqrt64)=(a)/(b) (where the fraction is written in reduced form,) then a=? and b=? Click here to see answer by jim_thompson5910(28504)

 Question 193849: rewite 3(ln)4 as the logarithm of a single number Click here to see answer by orca(409)

 Question 194303: How many combinations of 6 volunteers can be selected from a group of 9 volunteers? Is it 504? Click here to see answer by edjones(7569)

 Question 194425: Write the following as the logarithm of a sinle expression with coefficient 1: 3Log3(6) + 2Log3(5) Click here to see answer by user_dude2008(1861)

 Question 194466: A one-time deposit is made into an account that pays an APR of 8.5% compounded continuously. How long does it take for the worth of the account to triple? Could you please provide a detailed explanation of how you achieved the solution. Thanks! Click here to see answer by vleith(2825)

 Question 194462: A radioactive substance has a half-life of 200 years. We currently have 15 grams of the substance. How long until only .5 grams of the substance remains radioactive? Could you please provide a detailed explanation of how you achieved the solution. Thanks! Click here to see answer by Edwin McCravy(8882)