Rewrite using a positive exponent. Evaluate, if possible.(2.7) ? (2.7) ? (2.7)
A. (2.7)3
B. (3)(2.7)
C. (3)2.7
D. (2)3 ? (7)3
Answer: A
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Solve the problem.A company adopts an advertising campaign to weekly add to its customer base. It assumes that as an average fifty percent of its new customers, those added the previous week, will bring in one friend, but those who have been customers longer will not be very effective as recruiters and can be discounted. A media campaign brings in 10,000 customers initially. What is the expected total number of customer with whom the company can expect to have dealings?
A. 15,000 B. 30,000 C. 20,000 D. The sum diverges to infinity.
Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
A. 0.006446 B. 0.05508 C. 0.055080 D. 0.0551
Evaluate the integral.
A. 
+ 
ln
+ C
B. - 
- 
tan-1
+ C
C. 
- 
tan-1
+ C
D. 
+ 
tan-1
+ C
Solve the problem.Company X produces widgets. The annual cost of materials last year was 
The labor costs were 
Utilities and operations costs for the plant were 
The company received 
in revenue from the sales of the widgets. What was the profit?
A. $340,449 B. $358,221 C. $457,627 D. $1,792,487