The String $$- \cdot 2 - x a + 4 y$$

question 11

Short Answer

The string $$- \cdot 2 - x a + 4 y$$ is prefix notation for an algebraic expression. Write the expression in postfix
notation.

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Definitions:

NAACP

The National Association for the Advancement of Colored People, a civil rights organization founded in 1909 to fight for justice for African Americans.

Magazine

A publication, usually periodic, that contains articles, stories, photographs, and advertisements, often targeting a specific audience or interest group.

Guinn V. United States

A landmark Supreme Court case in 1915 that declared certain grandfather clause exemptions to literacy tests for voting rights unconstitutional, impacting African American voters.

Grandfather Clauses

Legal provisions allowing those who could vote before the Civil War, and their descendants, to bypass literacy tests and other voting barriers, effectively disenfranchising Black voters.