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OlgaM077 [116]
3 years ago
13

Evaluate: log1255a.1/3b.1/2c. 2/3​

Mathematics
2 answers:
emmasim [6.3K]3 years ago
5 0

\log_{125}(5)=\log_{5^3}(5)=\dfrac{1}{3}\log_5(5)=\dfrac{1}{3}\cdot1=\boxed{\dfrac{1}{3}}

Hope this helps.

r3t40

AleksandrR [38]3 years ago
3 0

Answer:

\frac{1}{3}

Step-by-step explanation:

Using the rule of logarithms

log_{b} x = n ⇔ x = b^{n}

let log_{125} 5 = n, then

5 = 125^{n}

note that 125 = 5³ ⇒ (5^3) ^{n} = 5^{3n}

Since bases are equal ( both 5) equate the exponents

3n = 1 ( divide both sides by 3 )

n = \frac{1}{3}

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