Express as a sum of logarithms.log2 (4 ? 16)
A. log2 2 + log2 4
B. log2 4 + log2 16
C. log2 4 + log2 16 + log2 2
D. log42 + log162
Answer: B
Mathematics
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and 
A. a) 
b) 
B. a) 
b) 
C. a) 
b) 
D. a) 
b) 
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Add.+ 
A. 780.337 B. 780.347 C. 780.247 D. 780.346
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Suppose that the people in a certain city are catching cold. It is observed that after one week, 40% of the people who were sick are still sick. Of the people who were well, 30% are sick after one week. Set up the 
stochastic matrix with columns and rows labeled S and W that describes this situation.
A. 
B. 
C. 
D. 
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Find the product and simplify.
? 
A. 
B. 3
C. 
D. 9
Mathematics