The number of ways of she can do it is 504 ways
<h3>What is permutation?</h3>The formula for permutation is given as:
Permutation =
Where:
- n is the total number of objects = 9
- r is the number selected = 3
Substitute into the formula
Permutation =
P( 9, 3) =
P( 9, 3) =
P( 9, 3) = 504 ways
Thus, the number of ways of she can do it is 504 ways
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