log base 8 (0.25) compute the log
log₈(0.25) = x 8ˣ = 0.25 ㏑(8ˣ) = ㏑(0.25) x㏑(8) = ln(0.25) x㏑(2³) = ㏑(2⁻²) 3x㏑(2) = -2㏑(2) 3㏑(2) 3㏑(2) x = ⁻²/₃