Question

If the first term of a sequence is 3 and the common ratio is 2, what is the 5th term of the sequence?

Select an answer

A.
96


B.
48


C.
24


D.
12

Answer 1

The nth term is a_n = 3·2^{n-1}. For n=5: a_5 = 3·2^4 = 3·16 = 48.

Answer: B.