How many different combinations can you make with 7 items?

7*6*5=210.

How many ways can you list 7 items?

How many ways can I arrange a 7 letter word? If the word has seven distinct letters, you have 7! = 5040 ways of arranging them (simple permutations of seven items).

How do you calculate how many different combinations you can make?

The formula for combinations is nCr = n! / r! * (n – r)!, where n represents the number of items, and r represents the number of items being chosen at a time.

How do you calculate unique combinations?

The formula for combinations is generally n! / (r! (n — r)!), where n is the total number of possibilities to start and r is the number of selections made. In our example, we have 52 cards; therefore, n = 52. We want to select 13 cards, so r = 13.

How many combinations can be made with four numbers?

There are 10,000 combinations of four numbers when numbers are used multiple times in a combination. There are 5,040 combinations of four numbers when numbers are used only once. There are 10 choices, zero through nine, for each number in the combination.

What are examples of combination?

The definition of a combination is something created by joining or mixing two or more people or things together, or a series of numbers used to open a lock. An example of a combination is a classroom of both mental and physical learning activities. An example of a combination is a salad with veggies, nuts, seeds and fruit.

What is 3 combination?

Combination. In mathematics, a combination is a selection of items from a collection, such that (unlike permutations) the order of selection does not matter. For example, given three fruits, say an apple, an orange and a pear , there are three combinations of two that can be drawn from this set: an apple and a pear; an apple and an orange;