How many different sets of two-letter initials can you make using the letters D, G, M, S, and T if you can use each letter only once in a set?

Respuesta :

ns5492

Answer:

20

Step-by-step explanation:

use ur head

DG, DM, DS, DT GD, GM, GS, GT MD, MG, MS, MT, SD, SG, SM, ST, TD, TG, TM, TS. Those are all the possible combinations using each letter only once in each set.

In short, you can make 20 sets.