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. 700, 22
B. 700, 5600
C. 700, 88
D. 1400, 88
Answer: C
Mathematics
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Solve.y varies inversely as x. If y = 6 when x = 9, find y when x = 27.
A. 3 B. 2 C. 18 D. 81
Mathematics
Find the length and direction (when defined) of u × v.u = - 
i + 
j + k, v = i + j + 2k
A. 2
; - 
i + 
j - 
k
B. 8; 
i - 
j + 
k
C. 2
; 
i + 
j - 
k
D. 8; 
i - 
j - 
k
Mathematics
Use the table to find the compound interest. Round to the nearest cent.
$15,000 at 1% compounded annually for 13 years
A. $2071.35 B. $1950.00 C. $1902.38 D. $1800.00
Mathematics
Use the order of operations to simplify the expression.3 ? 8 + 72
A. 31 B. 1176 C. 60 D. 73
Mathematics