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Algebra II
28. CC.HSF.BF.B.5
28.7 Natural log: ln
Natural log: ln
What You'll Learn
Recognize that natural log (ln) is logarithm with base e
Evaluate ln(e) using the property that ln(e) equals 1
Apply the inverse property: e^(ln a) = a to simplify expressions
Convert between logarithmic and exponential forms using base e
What You'll Practice
1
Evaluating natural log expressions like ln(e) without a calculator
2
Simplifying expressions with e raised to natural log powers
3
Using the inverse relationship between e and ln to solve problems
Why This Matters
Natural logarithms are essential in calculus, physics, and engineering. You'll use ln when studying exponential growth and decay, compound interest, and advanced calculus. Mastering the relationship between e and ln makes complex higher-level math much more manageable.
Before You Start — Make Sure You Can:
This Unit Includes
3 Video lessons
Practice exercises
Skills
Natural Logarithm
Logarithms
Base e
Exponential Form
Inverse Properties
Logarithmic Rules
OH Curriculum Aligned