If \log 27 = 1.431, then find the value of log 9.

Logarithms Practice Test 1

Question : 40 of 40

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\log 27 = 1.431

, then find the value of log 9.

Solution:

\log 27 = 1.431

⇒ \log 3^ 3 = 1.431

⇒3 \log 3 = 1.431

⇒\log3 = 1.431/ 3

⇒ 2\log3 = 2 × 0.477

⇒\log3^ 2 = 0.954

Hence,

\log 9 = 0.954

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