Final answer:
The decimal equivalent of 18 is a terminating decimal, as it does not repeat any pattern.
Step-by-step explanation:
The decimal equivalent of 18 is terminating. A terminating decimal is a decimal number that ends, or terminates, after a certain number of decimal places. In this case, the decimal equivalent of 18 is simply 18.000000... with zeros continuing indefinitely, indicating that it does not repeat any pattern.
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