# Questions on Algebra: Logarithm answered by real tutors!

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 Algebra: Logarithm Solvers Lessons Answers archive Quiz In Depth

 Question 591423: use the change of base formula to approximate log5 (6) to 3 decimal places Click here to see answer by lwsshak3(6761)

 Question 592263: write the expression in a natural logarithm. 3 ln 3 + 3lnc. I believe we need to add the like terms? Click here to see answer by Alan3354(31519)

 Question 592237: Consider the equation: 5^(2x-1)=3^(x+4) Use the properties of logarithms to rewrite your exact solution in the form log(b)a Click here to see answer by Edwin McCravy(8999)

 Question 592438: Write the expression as a single natural logarithm. 4 ln 8 + ln 10 Click here to see answer by jim_thompson5910(28715)

 Question 592472: evaluate the limit! Lim (e^4t) -1/t x->0 i thought e^0=1 t=0 so 0/0 =0 but it said it was wrong i also tried infinity but it was wrong Click here to see answer by ntnk(54)

 Question 592768: finding the exact value of log1341(81) over log1341(1/3) Click here to see answer by jsmallt9(3296)

 Question 592481: evaluate the limit lim x/arctan(5x) x->0 is it 1? x=0 arcsin is cos(0)/sin(0)=1/0 so 0/1/0 is..... Click here to see answer by jsmallt9(3296)

 Question 593150: solve the equation. round any solutions to the nearest fourth decimal place. 4ln(2x)+ 3ln(x^5)=9 Click here to see answer by stanbon(57967)

 Question 593171: Solve. Round any solutions to the fourth decimal place. 4log (base 3) (2r) + log (base 3) (r^3) = 4 There's a base of 3 on the logs, I just don't know how to punch it in. Click here to see answer by scott8148(6628)

 Question 593362: Could you please show me the steps to simplifying the following logarithm? Thanks. 3ln((e^2)-e)-3 I know the answer is 3ln(e-1) but am not sure of the steps. Click here to see answer by jim_thompson5910(28715)

 Question 593378: Did i do this right? I have to expand it from a condensed form question: log base 2(8)(sqrt y) my answer: log base 2 (8) + log base 2 (sqrt y) Click here to see answer by solver91311(17077)
 Question 593378: Did i do this right? I have to expand it from a condensed form question: log base 2(8)(sqrt y) my answer: log base 2 (8) + log base 2 (sqrt y) Click here to see answer by Edwin McCravy(8999)

 Question 593659: how do you find the inverse of f(x) = log 2x Click here to see answer by lwsshak3(6761)

 Question 593714: What is log base of 4 (x^2-12x) - log base of 4 X =1 Click here to see answer by Alan3354(31519)

 Question 593737: Use properties of logorithms to find exact value of expression. 2log2^3-log2^7 Click here to see answer by nerdybill(7003)

 Question 593567: solve the equation and approximate three deciaml places. 1nx+1n(x+1)=1 Click here to see answer by lwsshak3(6761)

 Question 593982: a = 4 root6/root2 +root3 then the value of a+2*root2/a-2*root2 + a+2*root3/a+2*root3 Click here to see answer by jsmallt9(3296)

 Question 594309: How do I rewrite the statment of log4(8) using the properties of logarithms and simplify if possible Click here to see answer by jsmallt9(3296)

 Question 594545: solve the equation log8(3x+7)=log8(7x-9) log4(x)=3/2 loga(1/8)=-3 log8(x+9)=log8(3x-14) log4(x^2+6)=log4(5x) logy16=4 log7n=-1/2 log7(8x+20)log7(x+6) log5(x^2-30)=log5(6) Click here to see answer by jsmallt9(3296)

 Question 594466: Can you please try to show your steps on how you got the following answers? Given log[a](5)=2.3 and log[a](3)=1.6, fill in the table below with the appropriate values. x 15 ; 9 ; 5/3 ; 5a ; (3)/(a^2) log[a](x) Click here to see answer by jsmallt9(3296)

 Question 594731: how do i evaluate the expression log[32](8) using the change of base formula Click here to see answer by AnlytcPhil(1278)
 Question 594731: how do i evaluate the expression log[32](8) using the change of base formula Click here to see answer by jsmallt9(3296)

 Question 594784: Given that = m and = n, express in terms of m and n: A) B) Click here to see answer by AnlytcPhil(1278)