1.) How many distingushable permutation are there for the letters
of the word TENNESSEE taken all together?
2.) In how many ways can 8 children join hands to form ring?
3.) How many different symbols, each consisting of 5 different
letters, can be formed from the letters of the word PARENTS?
4.) A teacher wants to assign 4 different tasks to her 4 students. In
how many possible ways can she do it?
Answers & Comments
Answer:
1.)3780
Step-by-step explanation:
TENNESSEE
T=1!
E=4!
N=2!
S=2!
=9!/4!2!2!
=9×8×7×6×5×4!/4!×2×1×2×1
cancel the 4! and then the two (2×1)
=9×2×7×6×5
=3780