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How do you evaluate log20 0.125 using the change of base formula?

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answer is A.

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Detailed Solution

⇒ log20 0.125
⇒ log20 0.125 =

Log (2 × 10)

(

)
(log (a 2) = log a +log 2)

(log 1 = 0, log10 = 1)

$Question Image$ ⇒ –0.6950

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