SOLUTION: Find both the number of combinations and the numbers of permutations of 10 objects taken 4 at a time.

SOLUTION: Find both the number of combinations and the numbers of permutations of 10 objects taken 4 at a time.

Algebra.Com

Question 475195: Find both the number of combinations and the numbers of permutations of 10 objects taken 4 at a time.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
10P4 = 10*9*8*7 = 5040

10C4 = (10*9*8*7)/(4*3*2*1) = 210
RELATED QUESTIONS
. If the number of combinations of n objects taken 3 at a time is 20, how many... (answered by ikleyn,greenestamps)

If the number of permutations of n objects taken r at a time is 6^0 times the number of... (answered by ikleyn)

Find the number of permutations of the numbers 1,2,3 and 4 taken two at a... (answered by MathLover1,ikleyn)

The total number of permutations of 10 district objects taken 4 at a time is A.30,240... (answered by ikleyn)

List all the permutations of the 4 objects a, b, c, d, and e, taken 3 at a time. (answered by Theo,math_tutor2020)

List all the permutations of the 4 objects a, b, c, and d, taken 2 at a time. (answered by greenestamps)

Find the number of combinations of 7 objects taken 3 at a time. Find the number of... (answered by ikleyn)

I'm still looking for an answer to this question... "If the number of permutations of... (answered by addingup)

Can someone help me with this problem: Putting together notes for final. MUT SHOW WORK.... (answered by solver91311)