Learn about Matrix multiplication

Video Description: Khan Academy Presents: Learn about Matrix multiplication - part 2. More on multiplying matrices.

Learn about Exponent Rules Part 2

Khan Academy Presents: 2 more exponent rules with an introduction to composite...

Learn about Exponent Rules Part 1

Khan Academy Presents: Introduction to exponent...

Learn about Khan Academy Presents: Approximating functions with polynomials - part 3

Khan Academy Presents: A glimpse of the mystery of the Universe as we approximate e^x with an infinite...

Introduction to Ratios

Khan Academy Presents: Basic ratio problems. (from...

Learn about Banking 8: Reserve Ratios

Khan Academy Presents: How reserve requirements limit Khan Academy Presents: How much lending a bank can...

SAT Prep: Test 4 Section 2 Part 6

Khan Academy Presents: SAT Prep: Problems 19-20 on page...

Learn about Trig identies part 3 - part 5 if you watch the proofs

Khan Academy Presents: Continuation of the playing around with trig...

Learn about Multiplying decimals

Khan Academy Presents: Multiplying decimals...