(0.4)n=2

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Solution for (0.4)n=2 equation: 



(0.4)n=2

We move all terms to the left:

(0.4)n-(2)=0

We multiply parentheses

0.4n-2=0

We move all terms containing n to the left, all other terms to the right

0.4n=2

n=2/0.4

n=5

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