Answer the following question, but give the rationale first. Would a nickel fit inside a koala pouch?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Koala joeys (babies) enter their mother's pouch when they are about 2 to 3 centimeters long. An American nickel is 2.12 centimeters in diameter. So the final answer is yes.