Medal
Three cards—one red, one green, and one blue—are to be arranged in a stack. Using R for red, G for green, and B for blue, list all the different stacks that can be formed. (Some computer monitors are called RGB monitors for the colors red, green, and blue. Enter your answers as a comma-separated list.)

Question

Medal 
Three cards—one red, one green, and one blue—are to be arranged in a stack. Using R for red, G for green, and B for blue, list all the different stacks that can be formed. (Some computer monitors are called RGB monitors for the colors red, green, and blue. Enter your answers as a comma-separated list.)

johnweldon1993 · Answer

Well

RGB

can be arranged as

R,G,B
R,B,G
B,G,R
B,R,G
G,R,B
D,B,R

Also, we could have skipped all that using factorals

$$\large 3! = 3\times 2\times 1 = 6$$

so there are 6 different arrangements we can make of the 3 cards

anonymous · Answer

so i have to write R.G,B , RBG etc thats my answer?