Evaluate using the formula .

Subtract from .

Rewrite as .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Multiply by .

Multiply by .

Find the Number of Possibilities 20 permute 3

Skip to content
# Find the Number of Possibilities 20 permute 3

Evaluate using the formula .

Subtract from .

Rewrite as .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Multiply by .

Multiply by .

Find the Number of Possibilities 20 permute 3