Anna has to visit at least 2 European cities on her vacation trip. If she can visit only London, Paris, Rome, or Madrid, how many different itineraries, defined as the sequence of visited cities, can Anna create?
A. 12
B. 36
C. 48
D. 60
E. 72
OA D
Source: Veritas Prep
Anna has to visit at least 2 European cities on her vacation trip. If she can visit only London, Paris, Rome, or Madrid,
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