1)

If log 2 = 0.30103, the number of digits in 264 is :


A) 20

B) 25

C) 19

D) 18

Answer:

Option A

Explanation:

log (264) = 64× log 2 =64×0.30103 =19.26592.

Its characteristic is 19. Hence, the nuber of digits in 264 is 20.