If log 2 = 30103, the number of digits in 264 is:

A    18

B    19

C    20

D    21

Solution

Correct Answer: Option C

 

log (264) = 64 x log 2

= (64 x 0.30103)

= 19.26592

Its characteristic is 19.

Hence, then number of digits in 264 is 20.

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