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September 23, 2014

September 23, 2014

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

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

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

- math -
**Reiny**, Monday, March 19, 2012 at 8:43amlet 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 12:35amlog(27) / log(1/3)

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

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

-3

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