\(x:\left(0,25\right)^4=\left(0,5\right)^2\)
\(x:\left(\frac{1}{4}\right)^4=\left(\frac{1}{2}\right)^2\)
\(x:\left[\left(\frac{1}{2}\right)^2\right]^4=\left(\frac{1}{2}\right)^2\)
\(x:\left(\frac{1}{2}\right)^8=\left(\frac{1}{2}\right)^2\)
\(x=\left(\frac{1}{2}\right)^2\cdot\left(\frac{1}{2}\right)^8=\left(\frac{1}{2}\right)^{10}=\frac{1}{1024}\)