SOLUTION: in how mant ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case
Algebra.Com
Question 414700: in how mant ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
in how many ways can 3 identical emeralds, 2 identical diamonds and 2 different opals be arranged in a row in a display case.
----
7!/(3!*2!) = 7*5*4*3 = 420 ways
===================================
Cheers,
Stan H.
==============
RELATED QUESTIONS
How many different ways can 6 identical hardback books, 3 identical paperback books, and... (answered by stanbon)
Jimmy has 3 red boxes and 2 green boxes. How many different ways can the boxes be... (answered by ikleyn)
In how many distinguishable ways can 5 identical black balls and 9 identical blue balls... (answered by ikleyn)
How many distinguishable ways can 5 identical blue marbles and 2 identical yellow marbles (answered by ikleyn)
in how many distinguishable ways can 4 identical algebra books, 6 identical geometry... (answered by Edwin McCravy)
there are 3 identical blue marbles and four identical yellow marbles arranged in a row.... (answered by ikleyn)
A bookseller has 10 identical books of math 101, 3 identical books of Acc 201, and 5... (answered by ikleyn)
how many different ways can 7 floral arrangements be arranged in row on a single... (answered by checkley77)
In how many different ways can 3 identical green shirts and 3 identical red shirts be... (answered by mccravyedwin)