Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.3 - Decision Algorithms: The Addition and Multiplication Principles - Exercises - Page 425: 41b

Answer

$4^n$

Work Step by Step

One element of the DNA can be 4 different base. (T,C,A or G) Therefore there are $4^n=2^{2n}$ different n-element DNA chains
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