Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 600, 19
B. 600, 9600
C. 600, 38
D. 1200, 38
Answer: C
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Use the information in the table to answer the question.
What is the sum of the changes in 2005 and 2006 for decorations?
A. -17.1 B. -5.9 C. -11.5 D. 5.9
Determine the principal value without using a calculator.- 
A. Not a real number
B. - 
C. 
D. - 
Solve the problem.Northwest Molded molds plastic handles which cost $0.30 per handle to mold. The fixed cost to run the molding machine is $2227 per week. If the company sells the handles for $1.30 each, how many handles must be molded and sold weekly to break even?
A. 1391 handles B. 7423 handles C. 2227 handles D. 1484 handles
The length of a side of the base of a pyramid is 6 in, and the slant height is 10 in. Find the surface area of the pyramid.
A) 276 in² B) 156 in² C) 120 in² D) 96 in² E) 192 in²