Scientific notation | Scientific notation. Introduction to scientific notation | Scientific notation. Scientific notation 1 | Exponents and radicals. 7-3-5. 7-3-4. 7-3-3. Project. 7-3-1. Holt McDougal - Lesson Tutorial Videos. Holt McDougal - Lesson Tutorial Videos. Holt McDougal - Lesson Tutorial Videos. Holt McDougal - Lesson Tutorial Videos. Holt McDougal - Lesson Tutorial Videos.