D= 10log10(10°) Simplify log10(10°): 9 log10(10°) Apply log rule log,(xº) = b · log,(x), assuming x 2 0 = 9log10(10) Apply log rule: log,(a) = 1 = 9 D= 10 · 9 Multiply the numbers: 10 · 9=90 D= 90

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 52RE
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Question

When you multiply 9*10

Is it the 10 to the buttom right of log

or the 10 with the parentheses?

Im confused becuase I don't know which 10 I am multiplying by to get 90.

D= 10log10(10º)
Simplify log10(10°): 9
log1o(10°)
Apply log rule log, (x) = b · loga(x), assuming x > 0
= 9log10(10)
Apply log rule: log,(a) =1
= 9
D= 10 · 9
Multiply the numbers: 10 · 9=90
D= 90
Transcribed Image Text:D= 10log10(10º) Simplify log10(10°): 9 log1o(10°) Apply log rule log, (x) = b · loga(x), assuming x > 0 = 9log10(10) Apply log rule: log,(a) =1 = 9 D= 10 · 9 Multiply the numbers: 10 · 9=90 D= 90
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