Flag 9 grade maths> 9. Classify the following numbers as rati...
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9. Classify the following numbers as rational or irrational: (i) 23 (ii) 225 (iii) 0.3796 (iv) 7.478478 .......... (v) 1.101001000100001 ..........

Harshit Singh , 4 Years ago
Grade 12th pass
anser 1 Answers
Pawan Prajapati

Last Activity: 4 Years ago

(i) 23 is irrational number because 23 is prime number and prime number is not a perfect square root. (ii) 225 is rational number because 225 = 15, rational number. (iii) 0.3796, terminating decimal, so rational number. (iv) 7.478478 .......... = 7.478, non-terminating repeating (recurring), so rational number. (v) 1.101001000100001 .......... non-terminating non-repeating, so irrational number.

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