Question

Solve for x. 0.4=log x

Answer 1

0.4=log10^(x)

log10^(10^0.4)=log10^(x)

10^(0.4)=x

Switch Sides: x=10^(0.4)

Therefore, the final solution for 0.4=log10^(x) is x=10^(0.4)

Faith xoxo

(Sorry If I am incorrect.) 
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Answer 2

0.4 = log x
x = 10^(0.4)
x = 10^(4/10)
x = 10^(2/5)

hope it helps