Scientific Notation and Powers of 10
Learning Objectives
- Students will be able to express numbers in scientific notation
- Students will understand powers of 10 and exponent rules
- Students will be able to perform calculations with numbers in scientific notation
Core Concepts
- Format: a × 10ⁿ where 1 ≤ a < 10
- Positive exponents for large numbers, negative for small
- Multiplying and dividing in scientific notation
Formulas
$$a \times 10^n, \quad 1 \leq a < 10$$
Standard form of scientific notation
Interesting Fact
Scientific notation makes it easy to compare very large and very small numbers
Key Scientist
Archimedes
Attempted to express very large numbers in the ancient world
Ancient Wisdom
Many mystical traditions contemplate infinity and vastness; scientific notation provides a practical language for expressing the Hindu concept of cosmic scales.
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