How do you solve $1.3^x = 8$ ?

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Answer 1 · 2016-02-25T17:49:28

$x=(log8)/(log1.3)$

$=7.92578$

Take log on both sides and then use the laws of logs to simplify and solve.

$therefore log1.3^x=log8$

$therefore xlog1.3=log8$

$therefore x=(log8)/(log1.3)$

$=7.92578$

How do you solve 1.3^x = 81.3^x = 8?