43.123456789 is terminating.
So, it would be a rational number
Hence, 43.123456789 is now in the form of .
And the prime factors of q are in terms of 2 and 5.
0.120120012000120000…. is non-terminating and non-repeating.
So, it is not a rational number.
43. is non- terminating but terminating.
So, it would be a rational number.
In a non-terminating, repeating expansion of
q will have factors other than 2 or 5.
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