The Number 0

question 176

Multiple Choice

The number 0.0247 expressed in scientific notation is ________.

• A) 2.47 × 10^-4
• B) 2.47 × 10^-2
• C) 2.47 × 10^-1
• D) 24.7

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Definitions:

Obsessive-compulsive Disorder

is a mental health disorder characterized by persistent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions) as an attempt to alleviate anxiety.

Antianxiety

Pertaining to drugs or treatments that reduce or alleviate anxiety.

Antianxiety Drugs

Medications used to treat symptoms of anxiety by affecting neurotransmitter activity in the brain to induce relaxation.

Addictive

Having the quality of causing users to develop a dependency, often compelling them to repeatedly seek out and use the substance or activity.