Vishwanath
Tuesday, February 19, 2013
4.If log 2 = 0.30103, the number of digits in 520 is
A. 14 B. 16
C. 18 D. 25
Answer:
Log 520 =20 log 5
=20 ×[log(10/2)]
=20 (log 10 - log 2)
=20 (1 - 0.3010)
=20×0.6990
=13.9800.
Characteristics = 13.
Hence, the number of digits in Log 520 is 14.
Title : Logarithms Q4
Description : 4.If log 2 = 0.30103, the number of digits in 520 is A. 14 B. 16 C. 18 D. 2...
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