Math Problem Statement
A witness described a getaway car as having a NSW registration plate starting with TLK. The witness could not remember the three digits that followed, but recalled that all three digits were different. Calculate how many cars in NSW could have a registration plate with these letters and numbers.
Solution
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Math Problem Analysis
Mathematical Concepts
Combinatorics
Permutations
Formulas
Permutations of n objects taken r at a time: P(n, r) = n! / (n - r)!
Theorems
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Suitable Grade Level
Grades 7-9
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