Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a11 when a1 = -6, r = 2.
A. -12,288
B. 14
C. -6144
D. -6140
Answer: C
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Solve the problem. Round to the nearest tenth if necessary.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 32 questions correct. What was the percent of increase?
A. 72% B. 28% C. 21.9% D. 7%
Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.The volume of coffee in the cup is 195 
.
A. mg B. g C. L D. mL E. kg
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856