If Log 8 = 0.90, Find the Value of Each of the Following: Log4 - Mathematics

If log 8 = 0.90, find the value of each of the following: log4

Sum

log 4
log 8
= log2³
= 3 log 2
= 0.90
⇒ log 2
= 0.90 / 3
= 0.3
∴ log 4
= log2²
= 2 log 2
= 2 x 0.30
= 0.60.

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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
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