2 choose 0
Choosing 0 from 2— order doesn't matter.
Combinations (order doesn't matter)
2C0 = 1
Permutations (order matters): 2P0 = 1
There are 1 ways to choose 0 items from 2when order doesn't matter, using the formula C(n, k) = n! / (k! · (n − k)!).
2 choose k table
| Expression | Combinations |
|---|---|
| 2 choose 0 | 1 |
| 2 choose 1 | 2 |
| 2 choose 2 | 1 |
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Frequently asked questions
What is 2 choose 0?+
2 choose 0 equals 1. It counts the number of ways to choose 0 items from 2 when the order does not matter.
What is the formula for 2 choose 0?+
The combinations formula is C(n, k) = n! / (k! · (n − k)!). For 2 choose 0: 2! / (0! · 2!) = 1.