QUESTION IMAGE
Question
what is $a_5$ for the sequence below? $a_n = 5 \cdot 2^{(n - 1)}$
Step1: Substitute n=5 into formula
$a_5 = 5 \cdot 2^{(5-1)}$
Step2: Simplify the exponent
$a_5 = 5 \cdot 2^{4}$
Step3: Calculate the power term
$a_5 = 5 \cdot 16$
Step4: Compute the final product
$a_5 = 80$
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D. $a_5 = 80$