In this tutorial I introduce you to what a combination is, how to calculate it using the nCr function and answer the following question.
How many different combinations (selections) of 3 letters can be made from the 5 letters ABCDE ?

In this tutorial I introduce you to what a combination is, how to calculate it using the nCr function and answer the following question. How many different combinations (selections) of 3 letters can be made from the 5 letters ABCDE ?