The explicit formula for the geometric sequence 3, 15, 75, 375,… is

1.	The explicit formula for the geometric sequence 3, 15, 75, 375,… is _______
A.	26! 3ⁿ⁻¹
B.	3 * 5ⁿ⁻¹
C.	3! * 8ⁿ⁻¹
D.	7 * 4ⁿ⁻¹
Answer» C. 3! * 8ⁿ⁻¹

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The explicit formula for the geometric sequence 3, 15, 75, 375,… is _______

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