Compute: `[52!]/[48!4!]`

Compute: [7!]/[4!2!]

Compute: (3!)(5!)

Compute: (20 !)/(18 !)

Compute: (30 !)/(28 !)

Compute (98)^5 .

Compute: (10 !)/(6! 10 !)

Compute: (11 !-10 !)/(9!)

Consider a binary operation * on the set {1, 2, 3, 4, 5} given by the following multiplication table Compute (2*3) *4 and 2* (3*4) Is * commutative? (iii) Compute (2*3)*(4*5)

Consider a binary operation * on the set {1, 2, 3, 4, 5} given by the following multiplication table (FIGURE) Compute (2*3) *4 and 2* (3*4) Is * commutative? (iii) Compute (2*3)*(4*5)

Compute the following: [[2,-1],[3,5]] +[[4,3],[1,-2]]