LOGARITHMS 5

Change the following into Logarithmic form.

i)   4^-3 = ¹/4³=¹/₆₄

ii)   10^-4 = 0.0001

iii)  2⁵ = 32

Solution

i)  4^-3 = ¹/4³=¹/₆₄ ⇔ log₄ (¹/₆₄) = -3

ii)  10^-4 = 0.0001 ⇔ log₁₀ 0.0001 = -4

iii)  2⁵ = 32 ⇔ log₂ 32 = 5

TRY THIS………………….

Change the following into Logarithmic form.

i)   4^-3 = ¹/4³
ii)   10^-6 = 0.000001
iii)  2⁷ = 128