LOGARITHMS 21

Find x if Log_x0.000001 = -6

solution

Log_x0.000001 = -6

0.000001  = x^-6 .  [0.000001  = 10^-6  ]

10^-6 = x^-6 .

10⁶ = x⁶ .  { equal powers cancel out}

x = 10

Hence x = 10

TRY THIS..................

Find x if Log_x0.00000001 = -8