Jika log 2=0,3010 dan log3=0,4771 maka nilai log 1 per 48 adalah

Log (1/48) = - log 48

= - log (16x3)
= - ( log 16 + log 3 )
= - ( log 2^4 + log 3 )
= - ( 4.log 2 + log 3 )
= - ( 4 . 0,3010 + 0,4771 )
= - ( 1,2040 + 0,4771 )
= - 1,6811

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