A factorial, such as four factorial, means that the result is four times three times two times one. Find out how to simplify factorials when they're used in fractions with help from a tutor in this free video on math lessons and study tips.
Expert: Brian Leaf
Contact: www.brianleaf.com
Bio: Brian Leaf, MA, is the author of McGraw-Hill's Top 50 Skills for SAT/ACT Success series and has instructed SAT, ACT, GED and SSAT preparation to thousands of students.
Filmmaker: David Pakman
thanks its new way
bolos1995 1 year ago
Thnks!
TheEmoHawtie 1 year ago
Very easy to understand,thanks!
BboySpikey 1 year ago