Nilosree D.

asked • 09/19/16

Find the value of W if W=(1.5)^11?

Find the answer using Logarithm

2 Answers By Expert Tutors

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Inactive Tutor answered • 09/19/16

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Hi Nilosree,
 
Do you want to write this in log form or you want to evaluate 1.5 11 ?
 
Log form
log1.5W = 11
 
W is equal to 86.498 rounded to the nearest thousandths
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Nilosree D.

If only the values of log2 and log 3 is given and u r asked to find the answer using base10.... then how will u find it
 
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09/19/16

Inactive Tutor

You will apply change of base formula, where you change the base to either base 10 or ln
 
Ex.  log28  change that  to
 
       log8
      ------
       log2
 
you basically will set up a fraction, log base ten of the two numbers of the original log. Easy way to remember, look how the 2 and the 8 are positioned, 8 is kinda on top and 2 is at the bottom, thats the same positioning when you do change of base, top number goes on top and the bottom number goes at the bottom .
 
Hope it helps
 
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09/19/16

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