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AysviL [449]
2 years ago
9

You need to know the number of different arrangements possible for five distinct letters. You decide to use the permutations rul

e, but your friends tells you to use 5!. Who is correct
Mathematics
2 answers:
Mashcka [7]2 years ago
8 0

Answer:

Both, you and your friend, are correct.

Step-by-step explanation:

5 P 5 = 5!

A shortcut I learned is that in the permutation equation nPn when n is the same on both sides, it is equal to if you used factorial, n!.

kumpel [21]2 years ago
4 0

Answer:

<h2> Both Methods are correct..!!.</h2><h2>Thanks for ASK Me...!!</h2>
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