Evaluate the expression. (a) 2log2 20 (b) 5log5 32 (c) eln


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Evaluate the expression.
(a)    
2log2 20
 
 

(b)    
5log5 32
 
 

(c)    
eln 
sqrt11
 
Nov 17th, 2017

Thank you for the opportunity to help you with your question!

Let's remember this logaritmic property:

a^( log a (x) ) = x . The base a cancels out with the log of base a leaving just its argument (the x).  

Then we would have:

a) 2^( log 2 (20) ) = 20

b) 5^(log 5 (32) ) = 32

c) e^(ln sqrt(11) ) = sqrt(11)

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 17th, 2015

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