SOLUTION: Hello Can some one tell me if my answer is right.
Show all work. Mary purchased a package of 22 different plants, but she only needed 20 plants for planting. In how many ways c
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Question 363756: Hello Can some one tell me if my answer is right.
Show all work. Mary purchased a package of 22 different plants, but she only needed 20 plants for planting. In how many ways can she select the 20 plants from the package to be planted? (Points : 3)
Assuming each section is the same, and order doesn’t matter.
This is my answer.
22 choose 20
=22! /20! *2!
=21*9/ (2*1)
=189/2
=94.5
Tthank you
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
No, your answer must always be an integer, it could never be a decimal.
things chosen at a time.
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