Math, asked by amitkumarsingh858, 10 months ago

The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form, p/q what can you say about the prime factors of q?

(i) 43.123456789

(ii) 0.120120012000120000. .​

Answers

Answered by Anonymous
19

⠀⠀ıllıllı uoᴉʇnloS ıllıllı

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(i) 43.123456789

Since it has a terminating decimal expansion, it is a rational number in the form of p/q and q has factors of 2 and 5 only.

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(ii) 0.120120012000120000. . .

Since, it has non-terminating and non- repeating decimal expansion, it is an irrational number.

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Answered by anupampr79
6

Here is the answer....

Hope it helps!!

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