It is already a decimal representation but as a fraction it is
884/625 simplified
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A decimal number is simply a way of representing a number in
such a way that the place value of each digit is ten times that of
the digit to its right. A decimal representation does not require a
decimal point. So the required decimal representation is 120,
exactly as in the question.
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It is a number whose decimal representation goes on forever
without any repeating pattern. It is the decimal representation of
an irrational number.