Write a formula for the nth term of the geometric sequence.0.008, 0.16, 3.2, 64, . . .
A. an = 0.008(20)n - 1
B. an = 0.08(20)n - 1
C. an = 8(20)n
D. an = 8(0.2)n
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.Jill scored a 78 on the first of five 100-point exams in Stat 101. How many points must she average on the next four exams in order to raise her overall average to 90%?
A. 97 points B. 93 points C. 92 points D. 102 points E. none of these
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Find the amplitude or period as requested.Find the period of y = -2 sin 
+ 2.
A. ?
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D. 
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