If log 3 = 0.4771,then log 0.3 =
A) 0.5229.
B) -0.5229.
C) 1.4441.
D) -1.4771.
E) -4.771.

Name: If log 3 = 0.4771,then log 0.3 = A) 0.5229. B) -0.5229. C) 1.4441. D) -1.4771. E) -4.771.
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Question

Quizplus · Accepted Answer

The logarithm of 0.3 can be written as log(3/10) = log(3) - log(10). Since log(3) = 0.4771 and log(10) = 1 (by definition), the calculation becomes 0.4771 - 1 = -0.5229.

If Log 3 = 0.4771,then Log 0.3 =