Question 71721
log(base 2) x ^(log(base 2) x) =4

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Converting to exponential you get:
x^(log(ba 2)x)=16

Taking the log you get:
(log(ba 2)x)(log)x = log16

[logx/log2](logx) = log 16

[logx]^2 = (log2)(log16)
[logx]^2 = 0.3624762332...
logx=0.6020599913...
x=10^0.6020599913...
x=4
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Cheers,
Stan H.