Rule of product
Basic counting principle in mathematics / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Rule of product?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Not to be confused with Product rule.
In combinatorics, the rule of product or multiplication principle is a basic counting principle (a.k.a. the fundamental principle of counting). Stated simply, it is the intuitive idea that if there are a ways of doing something and b ways of doing another thing, then there are a · b ways of performing both actions.[1][2]