Fish tank

A fish tank at a pet store has 27 zebrafish. In how many different ways can George choose 2 zebra fish to buy?

Correct answer:

x =  351

Step-by-step explanation:

C2(27)=(227)=2!(272)!27!=212726=351  x=(227)=351



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Would you like to compute the count of combinations?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: