Use common logarithms or natural logarithms and a calculator to evaluate to four decimal placeslog?7

A. 0.3479
B. 0.5883
C. 1.6999
D. 1.3422


Answer: C

Mathematics

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A. , - 
B. - 
C. - , - 
D. - 

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A.
B.
C.
D.

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Use the fundamental identities to simplify the expression.1 - cos2 ?

A. sin ? B. - sin2 ? C. tan2 ? D. sin2 ?

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Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.8 ln x -  ln y

A. ln x8
B. ln 
C. ln x8y3
D. ln 

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