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April 18, 2014

April 18, 2014

Posted by **zachary** on Thursday, March 21, 2013 at 5:24pm.

a)log,x=4

b)log 5=2

c)log ,8=x

- urgent urgent algebra -
**Knights**, Thursday, March 21, 2013 at 5:33pmI am assuming you mean log _10 x = 4 in the equation.

For this, log _x y = z, x^z = y

So, x = 10^4 = 10,000 (a)

(b) log _x 5 = 2, x^2 = 5, x = sqrt 5

(c) i guess you meant log 10_ 8 = x so 10^x = 8

plug this into calculator, "log 8" to get 0.903089987 etc...

good luck

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