An eyewitness to a crime said that the license plate of the getaway car began with the letters T, C, and D, but he could not remember the order. The rest of the plate had the numbers 9 and 8, but again he did not recall the order. How many license plates must the police investigate to find the car?

An eyewitness to a crime said that the license plate of the getaway car began with the letters T, C, and D, but he could not remember the order. The rest of the plate had the numbers 9 and 8, but again he did not recall the order. How many license plates must the police investigate to find the car?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.6: Counting Principles

Problem 8ECP: In how many different ways can two letters be chosen from the letters A, B, C, D, E, F, and G? (The...

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Question

An eyewitness to a crime said that the license plate of the getaway car began with the letters

T, C, and D,

but he could not remember the order. The rest of the plate had the numbers

9 and 8,

but again he did not recall the order. How many license plates must the police investigate to find the car?

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