Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate.
A. 68,880 B. 2,686,320 C. 1722 D. 118,030,185
Mathematics
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by 
what do 400 units cost? Round your answer to the nearest cent.
A. $899.93 B. $12,000.00 C. $100.00 D. $837.21
Mathematics
Rewrite in logarithmic form.10-5 = 0.00001
A. log 
= -5
B. log5-5 = 0.10
C. log 
= 0.00001
D. log50.
= -5
Mathematics
Simplify. Assume all variables represent nonnegative values.
A. z16
B. 
C. z4
D. 2z
Mathematics