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0.636363... ( recurring to infinity) is a RATIONAL number.

It can be converted to a ratio/fraction.

Let P = 0.636363...

&

100P = 63.636363....

Subtract

99P = 63

P = 63/99 ( A ratio/fraction).

Cancel down by '9'

P = 7/11 The simplest form .

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lenpollock

Lvl 16
9mo ago

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Wiki User

9y ago

It is a rational number because it can be expressed as a fraction in the form of 7/11

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Q: Is 0.63 repeating a rational or irrational number?
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