Using Modular Arithmetic, (13·21) Mod 10 Is Equal To

question 13

Multiple Choice

Using modular arithmetic, (13·21) mod 10 is equal to:

• A) 2.
• B) 3.
• C) 7.
• D) another number.

---

Definitions:

Sharecropping System

A form of agriculture where a landowner allows a tenant to use the land in return for a share of the crops produced on their portion of land, prevalent in the post-Civil War South.

Plantation Owner

An individual who owns a large agricultural estate primarily worked by enslaved people or laborers, historically significant in the context of slavery and colonialism.

Prosperous Families

Families that have achieved a high level of wealth, success, and well-being, often contributing significantly to their communities or society at large.

Andrew Johnson

The 17th President of the United States, who served from 1865 to 1869, notable for his presidency following Abraham Lincoln's assassination and during the initial phase of Reconstruction.