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Chapter 5: Q 19. (page 308)

Use properties of logarithms to find the exact value of each expression. Do not use a calculator.

log82+log84

Short Answer

Expert verified

The value is 1.

Step by step solution

01

Step 1. Given information.

Consider the given information.

log82+log84

02

Step 2. Logarithm properties. 

The properties are defined as,

logaa=1logMN=logaM+logaN

03

Step 3. Calculation.

Apply the properties.

log82+log84=log82脳4=log88=1

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