Khan Academy
Khan Academy View : Topic - Scale of the universe
(Correction) Radius of Observable Universe
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domain:sciencesubject:Cosmology and astronomytopic:Scale of the universe26 Reads -
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Subject
- Early math
- 3rd grade (U.S.)
- Arithmetic
- 4th grade (U.S.)
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- Basic geometry
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Topic
- Measurement and data
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- Introduction to algebra
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- Transformations, congruence, and similarity
- Counting
- Chapter 11: Algebra
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- Angles
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- Addition and subtraction intro
- Addition and subtraction within 100
- Congruence
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- Chapter 1: Knowing our numbers
- Chapter 12: Ratio and proportion
- Chapter 8: Decimals
- Chapter 9: Data handling
- Chapter 12: Algebraic expressions
- Chapter 13: Exponents and powers
- Chapter 4: Simple equations
- Chapter 8: Comparing quantities
- 3Blue1Brown
- Applying mathematical reasoning
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- Rational and irrational numbers
- Seeing structure in expressions
- Arithmetic with polynomials
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- Negative numbers and absolute value
- Telling time
- Shapes
- The Pythagorean theorem
- Addition and subtraction within 1000
- Addition and subtraction within 20
- Place value (tens and hundreds)
- Analytic geometry
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- Chapter 4: Parts and wholes
- Chapter 7: Fractions
- Chapter 2: Fractions and decimals
- Chapter 5: Lines and angles
- Chapter 11: Mensuration
- Exponents, radicals, and scientific notation
- Measurement
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- Expressions, equations, and inequalities
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- Chapter 10: Mensuration
- Chapter 10: Practical geometry
- Chapter 2: Linear equations in one variable
- Descriptive statistics
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- Volume and surface area
- Quadrilaterals
- Chapter 14: How big? How heavy?
- Chapter 6: Integers
- Chapter 9: Rational numbers
- Chapter 5: Data handling
- Factors and multiples
- Data Management and Probability
- Perimeter, area, and volume
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- Chapter 13: Ways to multiply and divide
- Chapter 9: Algebraic expressions and identities
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- Strokes
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- Earth geological and climatic history
- Scale of the universe
- Stars, black holes and galaxies
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- Crash Course: Biology and Ecology
- Evolution and the tree of life
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- Ask a biologist (archive)
- Human prehistory
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- Algebraic thinking
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- Equations and geometry
- Variables & expressions introduction
- Equations & inequalities introduction
- Ratios, rates, & percentages
- Shape and Space
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- Limits
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- Probability and combinatorics
- Inferential statistics
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- Statistical studies
- Random variables and probability distributions
- Doodling in Math and more
- AMC 10
- AIME
- Puzzles
- Chapter 1: Integers
- Chapter 13: Direct and inverse proportions
- Chapter 6: The triangle and its properties
- Negative numbers: multiplication and division
- Negative numbers: addition and subtraction
- Chapter 7: Cubes and cubes roots
- Chapter 6: Squares and square roots
- Chapter 3: Understanding quadrilaterals
- Chapter 15: Introduction to graphs
- Numbers and operations
- Special properties and parts of triangles
- Right triangles and trigonometry
- Introduction to exponential functions
- Systems of linear equations
- Linear equations and functions word problems
- Polynomial factorization
- Units of measurement in modeling
- Sequences
- Radical equations and functions
- Exponential growth and decay
- Modeling with algebra
- Manipulating functions
- Advanced equations and inequalities
- Advanced functions
- Trigonometric equations and identities
- The unit circle definition of sine, cosine, and tangent
- Trigonometry with general triangles
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- Sequences, series, and function approximation
- Integration techniques
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- First order differential equations
- Area
- The 19th century
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