Solve the problem.The amount of a particular matter left in solution during a filtering process decreases by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 800, 3200
B. 800, 25
C. 1600, 200
D. 800, 200
Answer: D
Mathematics
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?
?
A. ?15 B. ?19 C. ?18 D. ?22 E. ?20
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Use properties of logarithms to simplify.log5 
+ log13 
A. 
B. 
C. 
D. 32
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Convert the matrix of observations to mean-deviation form, and construct the sample covariance matrix.
A.
S = 
B.
S = 
C.
S = 
D.
S = 
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Evaluate the surface integral.
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Mathematics