Max is making a new password, using 2, 4, 7 and 9. How many passwords could he make using each number only once in the password?
1 answer:
Answer:
im going to feel awful if this is wrong but i believeeee its 16-
Step-by-step explanation:
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Step-by-step explanation: explanation is in the attached picture file
I’m pretty sure but not so sure I think it is 180