How many permutations are there of 20 objects when taken 6

Last updated: 4/22/2023

How many permutations are there of 20 objects when taken 6 objects at a time if a particular one of these objects must always be included a 6 201 20 6 O b 20 201 20 6 2 O c 201 20 6 2 O d 6 20 20 6 na so0 3100 6111