# 2.6: Combination Problems

Difficulty Level:

**Basic**Created by: CK-12
%

Progress

Practice

Progress

%

Practice Now

combination notation

combination notation

Combination notation has the forms nCr and c(n, r) where n is the number of different units to choose from and r is the number of units in each group.combinatorics

combinatorics

Combinatorics is the study of permutations and combinations.n value

n value

When calculating permutations with the TI calculator, the n value is the number of objects from which you are choosing.permutation notation

permutation notation

Permutation notation is the form nPr or P(n, r), and indicates the number of ways that n objects can be ordered into groups of r items each.TI-84

TI-84

The TI-84 calculator is a graphing calculator produced by Texas Instruments and is considered an “industry standard” for more advanced calculations.### Image Attributions

## Description

Use technology to solve combination problems.

## Learning Objectives

None

## Related Materials

## Difficulty Level:

Basic## Authors:

## Tags:

## Subjects:

## Search Keywords:

## Concept Nodes:

## Date Created:

Feb 24, 2012## Last Modified:

Jul 22, 2015## Vocabulary

None

Files can only be attached to the latest version of Modality