Express the Following in Terms of Log 5 And/Or Log 2: Log80 - Mathematics

Express the following in terms of log 5 and/or log 2: log80

Sum

log80
= log (2⁴ x 5)
= log 2⁴ + log 5
= 4 log 2 + log 5.

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Expansion of Expressions with the Help of Laws of Logarithm

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Chapter 10: Logarithms - Exercise 10.2

Chapter 10 Logarithms
Exercise 10.2 | Q 2.2

Prove that:

log₁₀ 125 = 3(1 - log₁₀2).

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`("log"sqrt(27) + "log"8 + "log"sqrt(1000))/("log"120)`