Logarithms

Use the properties of logarithms to find the exact value of the expression log[16]4*log[5]5�ã7

  1. 👍
  2. 👎
  3. 👁
  1. What is 5�ã7 ?

    1. 👍
    2. 👎
  2. suppose to be SQRT7

    1. 👍
    2. 👎
  3. is that 5√7 or √7 ?

    log164 = 1/2
    log5 5√7 is not exact
    was that base supposed to be 7 ?

    1. 👍
    2. 👎
  4. log[16]4*log[5]5�ã7 is what the question, I am unsure how to solve exact

    1. 👍
    2. 👎
  5. log[16]4*log[5]5sqrt7

    1. 👍
    2. 👎
  6. log[16]4*log[5]5sqrt7
    = (1/2(*(log[5]5 + log[5]√7)
    = (1/2)( 1 + (1/2)log[5] 7)
    = 1/2 + (1/4) log57

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra 2

    How is the expression log 32 - log 8 written as a single logarithm? log 4 log 8 log 24 log 40

  2. Trigonometry

    The expression log(x^n/ radical y)is equivalent to 1. n log x - 1/2 log y 2. n log x- 2 log y 3. log (nx) - log (1/2y) 4. log (nx) - log (2y)

  3. Trigonometry

    This is a logs question If u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x- log y) 3) 2(log x + log y) 4) log x- 2 log y

  4. logarithm functions

    use the properties of logarithms to expand the expression as sum, difference or multiple of logarithms. Simplify. a.log(x^3/2) b.log base4 16a

  1. math(Please help)

    1) use the properties of logarithms to simplify the logarithmic expression. log base 10 (9/300) log - log 300 log 9 = 2 log 3 log 300 = log 3 + log 100 = log 3+2 I just do not know how to put these together now!

  2. Math

    If ln a=2, ln b=3, and ln c=5, evaluate the following: (a) ln(a^−2/b^4c^−3)= -.9524 (b) ln(√b^−4*c^1*a^−1)= -1.739 (c) ln(a^2b^4)/ln(bc)^−2= 42.39 (d) (ln(c^−1))*(ln(a/b^3))^−4= -.03507 I am getting these answers

  3. Math

    Find the exact solution, using common logarithms, and a two-decimal-place approximation of each solution. log(7x + 4) = 2 + log(2x − 3) Solve the equation. log(x^3) = (log x)^2

  4. Calculus

    Use the Laws of logarithms to rewrite the expression log(1000000x^19)in a form with no logarithm of a product, quotient or power. After rewriting we have log(1000000x^19)= A + Blog(x)? I know B = 19, but what's A?

  1. pre calculous

    use the properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. show your work ln x^2/y^3 Assuming x,y AND z are positive use properties of logariths to write the

  2. Pre Calculus

    Assume that x, y, and a are positive numbers. Use the properties of logarithms to write the expression log a 9 xy in terms of the logarithms of x and y. a. 9logbx+9logby b. 19 l o g b ( x + y ) c. 19 l o g b x + l o g b y d.

  3. math

    Q1:solve log(5)x-log(25)(x+10) = 0.5 Q2:If 2log(a)x=1+log(a) (7x-10a) ,find x in terms of a. Q3:Find x for which 27x3^lgx = 9^1+lg(x-20) Q4:Find x in terms of a and c ,given that log(√ a)(1/x)+log(a)x +log(a^2) x +log (a^4)x=c

  4. Math/trig

    Log radical b/ a^2 is equivalent to 1) 1/2 log b + 1/2 log a 2) l/2 log b- 2 log a 3) 2 log b - 1/2 log a 4) 1/2logb/2 log a

You can view more similar questions or ask a new question.