Decide Whether the Given Set of Numbers Is a Group

question 119

Multiple Choice

Decide whether the given set of numbers is a group under the given operation.
-Rational numbers; multiplication

• A) Yes
• B) No

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Definitions:

Splitting Tree

A graphical representation used in mathematics and computer science to describe the structure of an algorithm or a process that divides a problem into smaller parts recursively.

Trans

A descriptor in chemistry used to denote molecules where two substituents are on opposite sides of a double bond or a cycloalkane ring.

Cis

Describes an isomer where two substituents are on the same side of a double bond or ring structure.

Geminal

Referring to atoms or groups that are attached to the same carbon atom within a molecule.