Question

`d(n) = (5)/(16) \left(2\right)^(n - 1)`
What is the 5th term in the sequence?

Answer 1

9514 1404 393

Answer:

5

Explanation:

Put n=5 in the formula and do the arithmetic.

`d(5)=(5)/(16)2^(5-1)=(5)/(16)\cdot2^4=(5\cdot16)/(16)\\\\\boxed{d(5)=5}`

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The first few terms are ...

5/16, 5/8, 5/4, 5/2, 5, 10, 20, ...