Oh, dude, a perfect repetend is just a fancy way of saying a repeating decimal that goes on forever without any other non-repeating digits sneaking in. It's like when you're stuck in a loop of the same numbers over and over again in math class, except this time it's actually a good thing. So, like, if you see 0.333... or 0.666..., you've got yourself a perfect repetend.
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Ah, a perfect repetend is like a happy little tree that keeps repeating in a decimal fraction. It's the part of the decimal that repeats over and over, like the soothing sound of a gentle stream. Embrace the repetend, let it bring you peace and harmony as you paint the canvas of mathematics.
A perfect repetend, also known as a cyclic number, is a repeating decimal where the digits after the decimal point repeat in a fixed pattern infinitely. In other words, the repetend is a sequence of digits that repeats over and over without any variation. For example, the number 1/7 has a perfect repetend of 142857, where these six digits repeat infinitely. Perfect repetends are commonly found in fractions with prime denominators.
Richard Adair says it is called a repetend bar.
It is spelled "repetend", and it's the part of a repeating decimal that is repeated, as 1234 in 0.123412341234. (from dictionary.com)
perfect - more perfect - most perfect
Present perfect, past perfect, and future perfect
Perfect attendance means you have perfect attendance.