Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term.
?
3, 15, 75, 375, ...
?
A. Fibonacci and a5 = 450
B. None and a5 = 98
C. Arithmetic and a5 = 380
D. Geometric and a5 = 1,125
E. Geometric and a5 = 1,875
Answer: E
Mathematics
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