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 .0.7^x=.2

0
745
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.0.7^x=.2

whats x

 May 30, 2016

2+0 Answers

 #1
avatar+33657 
+5

Like so:

 

0.7^x=0.2

.

 May 30, 2016
 #2
avatar+9675 
0

0.7^x=0.2

x log 0.7 = log 0.2

x = log 0.2 / log 0.7 ≈ 4.512338026

 May 30, 2016

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