( 0,25 )8 = \(\left(\frac{1}{4}\right)^8=\left(\frac{1}{2^2}\right)^8=\left(\frac{1}{2}\right)^{16}=\left(0,5\right)^{16}\)
( 0,125 )4 = \(\frac{1}{8}^4=\left(\frac{1}{2^3}\right)^4=\left(\frac{1}{2}\right)^{12}=\left(0,5\right)^{12}\)
0,258 = (0,52)8 = 0,516
0,1254 = (0,53)4 = 0,512
_HT_