Find the exact value of the logarithmic expression without using a calculator.
?

?

A. 3
B.
C. 7
D. ?21
E. None of these


Answer: B

Mathematics

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Use a differential to approximate the quantity to the nearest thousandth. ? 

A.
B.
C.
D.

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A. 6
B. -6
C.  
D. -4

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