Gain a deep intuition for these exponent properties: (x^a)( x^b)=x^(a+b) and (xy)^a=(x^a)(y^a) and (x^a)^b=x^(a*b) Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade Watch the next lesson: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-exponent-properties/v/exponent-properties-involving-quotients?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade Missed the previous lesson? https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-pos-neg-exponents/v/powers-of-zero?utm_source=YT&utm_medium=Desc&utm_campaign=8thgrade ... https://www.youtube.com/watch?v=zM_p7tfWvLU Note: All Khan Academy content is available for free at (www.khanacademy.org)

Dividing by a two digit number ... https://www.youtube.com/watch?v=cSTRd8WOpNE Note: All Khan Academy content is available for free at (www.khanacademy.org)

Given a figure composed of 2 triangles, prove that the triangles are congruent or determine that there's not enough information to tell. View more lessons or practice this subject at https://www.khanacademy.org/math/geometry/hs-geo-congruence/hs-geo-congruent-triangles . Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc Volunteer here: https://www.khanacademy.org/contribute?utm_source=youtube&utm_medium=desc ... https://www.youtube.com/watch?v=Q8EtrFIHJuc Note: All Khan Academy content is available for free at (www.khanacademy.org)

Example showing how to find the mean and standard deviation of a binomial random variable. View more lessons or practice this subject at http://www.khanacademy.org/math/ap-statistics/random-variables-ap/binomial-mean-standard-deviation/v/finding-the-mean-and-standard-deviation-of-a-binomial-random-variable?utm_source=youtube&utm_medium=desc&utm_campaign=apstatistics AP Statistics on Khan Academy: Meet one of our writers for AP¨_ Statistics, Jeff. A former high school teacher for 10 years in Kalamazoo, Michigan, Jeff taught Algebra 1, Geometry, Algebra 2, Introductory Statistics, and AP¨_ Statistics. Today he's hard at work creating new exercises and articles for AP¨_ Statistics. Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We offer quizzes, questions, instructional videos, and articles on a range of academic subjects, including math, biology, chemistry, physics, history, economics, finance, grammar, preschool learning, and more. We provide teachers with tools and data so they can help their students develop the skills, habits, and mindsets for success in school and beyond. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan Academy every month. As a 501(c)(3) nonprofit organization, we would love your help! Donate or volunteer today! Donate here: https://www.khanacademy.org/donate?utm_source=youtube&utm_medium=desc ... https://www.youtube.com/watch?v=gro5b3PZ-Bw Note: All Khan Academy content is available for free at (www.khanacademy.org)