Posted by **mark** on Monday, March 19, 2012 at 4:17am.

Determine the value of each of the following logarithmic expressions. Do not change bases.

A) log8 4 <----- 8 is subscript

b)log 1/3 27 <---- 1/3 is subscript

- math -
**Reiny**, Monday, March 19, 2012 at 8:43am
let x = log_{8} 4

8^x = 4

(2^3)^x = 2^2

2^(3x) = 2^2

3x=2

x = 2/3

do the 2nd the same way, let me know what you got

- math -
**james**, Tuesday, March 20, 2012 at 12:35am
log(27) / log(1/3)

log(3^3) / log(3^-1)

3 log(3)/-1 log(3)

-3

## Answer this Question

## Related Questions

- Math Exam Tuesday - My friend swears by your site so I thought I'd confirm some ...
- Math - What is the real value of x in the equation log(subscript 2)24-log(...
- math - Find the value of each of the following. Leave your answers as fractions ...
- Chemistry - Calculate the amount (g) of each of the following salts that need to...
- Math Proof - Prove that for all integers n > or = 1 and all real numbers x ...
- Precalculus - I'm studying for my precalc exam and have completed 42 practice ...
- CHEMISTRY - I am having trouble balancing this equation: Ca(OH){subscript 2} + (...
- Chemistry - I am having trouble balancing this equation: Ca(OH){subscript 2} + (...
- Chemistry - Here's one last equation I can't balance: Al{subscript 2}(SO{...
- physics - A particle of mass m starts from x subscript o = 0 m with V subscript ...

More Related Questions