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log10 125 + log10 8 =  A) 1  B) 2  C) 3  D) None

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in Number System by (41.0k points)
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log10 125 + log10 8 = 

A) 1 

B) 2 

C) 3 

D) None

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2 Answers

+1 vote
by (57.0k points)
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Best answer

Correct option is (C) 3

\(log_{10}\,125+log_{10}\,8 \) \(=log_{10}\,5^3+log_{10}\,2^3\)

\(=log_{10}\,(5^3\times2^3)\)

\(=log_{10}\,10^3\)

\(=3\,log_{10}\,10\)

= 3

+1 vote
by (37.4k points)

Correct option is C) 3

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