Write a formula for the general term (the nth term) of the geometric sequence.-8, -24, -72, -216, -648, . . .
A. an = -8(3)n - 1
B. an = -8(3)n
C. an = -8(3n)
D. an = a1 + 3n
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Provide an appropriate response.You want to play a lottery that uses 50 numbers. How many combinations are possible if you need to pick 5 numbers? Represent as a factorial and give the solution.
What will be an ideal response?
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Solve the equation.
= 9
A. {9}
B. {81}
C. 
D. 
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. Round your result to three decimal places.
?
?
A. 3.175 B. -2.076 C. -3.175 D. 2.076 E. 23.92
Mathematics