Notice that 5 has an exclamation point on it. This means factorial so that 5! = 5 x 4 x 3 x 2 x 1 = 120.
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Notice that 5 has an exclamation point on it. This means factorial so that 5! = 5 x 4 x 3 x 2 x 1 = 120.
Math Confidence by Robin the Math Lady 
Good one!!!