1. Classify the following numbers as rational or irrational.
EXERCISE - 1.2
(iii) 30.232342345...
(1) 27
(ii) 441
(vi) 0.3030030003.....
(iv) 7.484848...
(v) 11.2132435465
numbers 2
Answers
Given : Few numbers : 30.232342345... , 27 , 441 , 0.3030030003.....
, 7.484848... , 11.2132435465
To find : Classify them as rational or irrational number
Solution:
Rational numbers
can be represented as p/q where p & q are integers & q ≠ 0
Rational numbers are terminating decimals or non- terminating repeating decimals
Rational number
27 = 27/1
441 = 441/1
7.484848....... = 741/99 ( non terminating repeating decimal)
11.2132435465 = 112132435465/10000000000 ( terminating Decimal)
Irrational numbers are non terminating non repeating decimals
Irrational numbers
30.232342345.... non terminating non repeating decimal
0.3030030003..... non terminating non repeating decimal
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