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Pre-algebra

Khan Academy, , Prof. Salman Khan

Updated On 02 Feb, 19

Overview

Negative numbers introduction - Adding/subtracting negative numbers - Multiplying and dividing negative numbers - Adding and subtracting fractions - Multiplying fractions (old) - Dividing fractions - Introduction to order of operations - Order of operations: PEMDAS - Exponents - Negative exponent intuition - Exponent rules - Simplifying radicals - Introduction to Logarithms - Unit conversion within the metric system - Speed translation - Introduction to logarithm properties - Introduction to scientific notation - Scientific notation examples - Introduction to ratios - Unit conversion word problem: drug dosage - Common divisibility examples - Binary Numbers - Binary, Decimal and Hexadecimal Number Systems - Number Base Conversion Practice - Significant figures - More on significant figures - Multiplying and dividing with significant figures - Addition and subtraction with significant figures - Pure Numbers and Significant Digits - Ordering negative numbers - Comparing absolute values - Comparing and ordering fractions - Inverse property of multiplication - Inverse property of addition - Interpreting linear graphs word problems example

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Lecture 19: Introduction to logarithm properties

4.1 ( 11 )

Lecture Details

Introduction to the first two logarithm properties.

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Algebra II on Khan Academy Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. Well again touch on systems of equations, inequalities, and functions...but well also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Dont let these big words intimidate you. Were on this journey with you!

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