Write in Scientific Notation $6.4 \times 10 ^ { - 7 }$

question 14

Multiple Choice

Write in scientific notation.
-6,400,000

• A) \(6.4 \times 10 ^ { - 7 }\)
• B) \(6.4 \times 10 ^ { - 6 }\)
• C) \(6.4 \times 10 ^ { 7 }\)
• D) \(6.4 \times 10 ^ { 6 }\)

---

Definitions:

Slow-Wave Sleep

A deep sleep stage characterized by low frequency, high amplitude brain waves, essential for restorative sleep and memory consolidation.

Creative Insights

Refers to the ability to gain an understanding or develop an idea through innovative and novel thinking.

Night Terrors

A sleep disorder causing feelings of terror or dread, typically occurring in the non-REM sleep phases, often accompanied by screaming or flailing and with little to no recollection of the dream content upon waking.

Nightmares

Distressing dreams that wake the sleeper, often involving feelings of fear, anxiety, or sorrow.