3
3! + 4!. = 3 *2 *1 + 4 * 3 *2 *1 =6 +24 =30
Added 15 days ago|1/12/2021 3:39:53 PM
This answer has been confirmed as correct and helpful.
3
C(n, n). C(n,n)=n! / (n n)! n! = C(n,n)=n! /n! ; C(n,n)=1
Added 15 days ago|1/12/2021 3:43:03 PM
This answer has been confirmed as correct and helpful.
3
The sides of the cubes are numbered 1 through 6. If they are both tossed, The probability that they will both be a 2 is 1/36 ; (1/6)^2=1/36
Added 15 days ago|1/12/2021 3:44:58 PM
This answer has been confirmed as correct and helpful.