Decide Whether or Not the Modulo System Forms a Group

question 92

Multiple Choice

Decide whether or not the modulo system forms a group.
-{1, 2, 3, 4}; multiplication modulo 5

• A) Group
• B) Not a group

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Definitions:

Exporting

The act of selling goods or services produced in one country to another country.

Importing

The act of bringing goods or services into one country from another for sale.

Account Surpluses

Situations where a country's exports exceed its imports over a given period, leading to a positive balance of trade.

International Gold Standard

A monetary system in which the standard economic unit of account is based on a fixed quantity of gold, facilitating international trade and investment.