+0  
 
0
20
2
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Solve for x.

 

 Jul 28, 2020
 #1
avatar+1180 
+1

This means 2^(10x) = 9.10x = log9, so x = log9/10, which is B.

 

You are very welcome1

:P

 Jul 28, 2020
 #2
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0

The right answer is A

 

x = ln(9) / 10*ln(2)         or          x = [ log(9) / log(2) ] /10 = 0.316992414278

 

300 * 23.16992414278 = 2700   laugh

 Jul 29, 2020

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