Determine the first five terms of the geometric sequence.a1 = 9, r = 
A. 9, 3, 1, 
, 
B. 9, 
, 
, 10, 
C. 3, 1, 
, 
, 
D. 9, 27, 81, 243, 729
Answer: A
Mathematics
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Find the product.(0.55)(0.8)
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