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

Algebra
Tutor: None Selected Time limit: 1 Day

Evaluate the expression.
(a)    
2log2 20
 
 

(b)    
5log5 32
 
 

(c)    
eln 
sqrt11
 
Jul 17th, 2015

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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