Prove Directly from the Definition of Congruence Modulo $n$ That If $a , c$

question 16

Essay

Prove directly from the definition of congruence modulo $n$ that if $a , c$ , and $n$ are integers, $n > 1$ , and $a \equiv c ( \bmod n )$ , then $a ^ { 3 } \equiv c ^ { 3 } ( \bmod n )$ .

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Definitions:

Capital Expenditure

Funds used by an organization to acquire, upgrade, and maintain physical assets such as property, industrial buildings, or equipment.