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Sometimes. Ellipses are used in repeating decimals like 7.4444... or 8.121212... to show that the pattern repeats forever. Repeating decimals are rational. Ellipses are also used in non-repeating, non-terminating decimals like pi = 3.14159... . Non-repeating, non-terminating decimals are irrational.
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Is 3.162... A rational number?
The answer depends on what the ellipsis means.
Is 1.212112111... a rational number?
The answer depends on what the ellipsis represents.
Is 2.555... a rational number?
The answer depends on the ellipsis. If the .. is meant to indicate that the string of 5s continues without end ten it is a rational number.
Is 8.56909 a rational or irrational decimal?
Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.Any terminating decimal is rational. So are repeating (periodic) decimals.
Is 0.454545... an irrational number?
No. It is a rational number. Any repeating decimal or terminating decimal is rational.
