Question

Find the logarithm of : 100 to the base 10

Answer 1

Let log₁₀100 = x 
∴ 10^x = 100
⇒ 10^x = 10 x 10
⇒  10^x = 10² 
⇒ x = 2          .....[ If a^m = aⁿ ; then m = n ]
∴ log₁₀100 = 2