Question

IF log 2 is 0.3010 and log 3 is 0.4771
Q. Find log 25​

Answer 1

Not giving the answer but I will show how to do it.

Now 25 = 5^2

Hence log 25 = log 5^2 = 2log 5 since log m^n = n log m

Now log a x log b = log a+b

Hence log 2x log 3 = log 5 = 0.3010 x 0.4771

And the answer will be 2 x log 5 which is 2 x 0.3010 x 0.4771