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Of the following territories, which was conquered by Justinian?
X
Often used as a variable or unknown value in mathematics.
Expression
A combination of variables, numbers, and operations without an equal sign.
A
Often used to denote a variable in equations or to represent a constant value in various mathematical contexts.
Positive Exponents
Refers to exponents that are greater than zero, indicating the number of times a base is multiplied by itself.