Evaluating permutation and solving word problem.

1. Evaluate 7!
2. Evaluate permutation of 10 taken 10 at a time.
3. In how many ways can the letter in the word STATISTICS be arranged?

Comments

  1. What if the given is 11! ? How can you solve without using calculator?

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  2. We have the same problem number 3 but we have different solution and answers. Here's mine. https://1.bp.blogspot.com/-0fOMLt8oOMk/YBKc-npeKMI/AAAAAAAAAAM/xt5mkpXWOQk7ltn_Uh-jn2Inr4Rkufu4gCLcBGAsYHQ/s2048/20210128_190353.jpg

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