Question

Use the Change of Base Formula to evaluate log₆38. a. 0.606 b. 3.638 c. 2.030 d. 1.580 

          Use the Change of Base Formula to evaluate log₆38. a. 0.606 b. 3.638 c. 2.030 d. 1.580

Added by Mark M.

Elementary and Intermediate Algebra
Elementary and Intermediate Algebra
Alan S. Tussy, R. David Gustafson 5th Edition
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Use the Change of Base Formula to evaluate log₆38. a. 0.606 b. 3.638 c. 2.030 d. 1.580
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Transcript

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00:01 With this problem, if you have a calculator, you can actually get the right answer right away.
00:06 Log base 36 of 50 .88, because some calculators now actually do this.
00:13 But the change of base formula is let's say you have a calculator that does not have log base.
00:20 What you can do is actually two different logarithms.
00:23 And for me, it's just easy to remember.
00:25 You just put the 36 because it already looks like it's on the bottom.
00:30 And you put that 50 .88 on top.
00:35 Otherwise, i'll give you one other option, because i know a lot of people will use natural log instead.
00:42 And this is also the change of base formula...
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