Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 
B. 
C. 
D. 
Answer: A
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Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).
A. $471,860.00 B. $97.07 C. $405,900.50 D. $174.00
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln e
A. e
B. 7
C. 49
D. 
Solve the inequality. Give the solution set in both interval and graph forms.-10a + 12 > -11a + 10
A. (22, ?)
B. (-2, ?)
C. (-?, 22)
D. (-?, -2)
Solve the problem.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 546 ohms. What is the current when the resistance is 516 ohms?
A. 1.9 amp B. 2.1 amp C. 0.47 amp D. 0.53 amp