SubArea: CombinatoricsLevel: AProject ID: 2010007001Source Problem: 9000139307Accepted: 0Clonable: 1Easy: 1There are \(8\) different books in the bookcase. In how many ways can they be arranged side by side?\(8!=40\:320\)\(8\)\( 8^2=64\)\(8^8=16\:777\:216\)