College Algebra / Unit 1 Alg 039 short lesson, about 20 seconds
Scientific Notation
Captions available
The idea
Scientific notation writes a number as a × 10ⁿ, where a is at least 1 and less than 10 in absolute value and n is an integer.
In practice
4,700,000 becomes 4.7 × 10⁶; 0.00032 becomes 3.2 × 10⁻⁴. Large numbers take positive powers, small ones negative.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
- Nothing. This is a starting point.
Unlocks
- Nothing yet depends on this.
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