Express the Number in Scientific Notation

question 67

Multiple Choice

Express the number in scientific notation.
-0.000000193017

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Definitions:

Microbiome

The collection of all the microorganisms living in association with the human body, including bacteria, viruses, fungi, and other microbes.

Psychobiotics

A class of probiotics believed to produce health benefits in patients suffering from psychiatric illness by influencing the gut-brain axis.

Antibiotics

Medications used to treat and prevent bacterial infections by killing or inhibiting the growth of bacteria.

Behavioral Disorders

A range of mental health disorders that involve disruptive or harmful behaviors, often diagnosed in childhood or adolescence.