If \log_10 3 = 0.477, the number of digits in 3^50 is:

Logarithms Practice Test 1

Question : 12 of 40

Marks: +1, -0

\log_10 3 = 0.477

, the number of digits in

3^50

is:

Solution:

Let

x = 3^50

⇒ logx = 50 log3 = 50 × 0.477 = 23.850
Hence, requried number of digits = 23 + 1 = 24

Go to Question:

Prev Question

Next Question