How Many Significant Figures Are in the Number 1

question 21

Multiple Choice

How many significant figures are in the number 1.500?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Electroencephalograph

An instrument used to record the electrical activity of the brain, typically through electrodes placed on the scalp.

Deep Sleep

A stage of sleep that involves the slowest brain waves during the sleep cycle, crucial for physical renewal and healing.

Beta Pattern

A pattern of brain wave activity with a frequency range of about 12-30 Hz, associated with wakefulness, alertness, and active concentration.

Delta Pattern

A type of brain wave that is associated with deep sleep and is characterized by low frequency and high amplitude.