Use the notation for the factorial of a non-negative integer, n!, to evaluate expressions.
Example Problems
Ravi bought 4 newly released comic books and wants to line them up on his shelf in some order.
How many unique arrangements can Ravi make?
How many unique arrangements can Ravi make?
A digital security lock uses the six distinct letters A – F, and its code requires all six letters with none repeated.
How many unique codes can be formed?
How many unique codes can be formed?
Lila is making a TikTok using of Olivia Rodrigo's songs, and the order in which the songs play matters for the vibe of the video.
How many unique orders can Lila arrange the songs in?
How many unique orders can Lila arrange the songs in?
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