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Ellie wants to change her password which is ELLIE9 but with same letters and number. In howmany ways...
4 months ago
Q:
Ellie wants to change her password which is ELLIE9 but with same letters and number. In howmany ways she can do that?P = 256P = 150P = 200P = 179
Accepted Solution
A:
[tex]\dfrac{6!}{2!2!}-1=\dfrac{3\cdot4\cdot5\cdot6}{2}-1=180-1=179[/tex]