1.

Write the set in roster form and its cardinal no:-{all odd prime numbers less than 20} ​

Answer»

Step-by-step explanation:

A = {all odd prime numbers less than 20}

odd Prime numbers less than 20 are

3, 5, 7, 11, 13, 17, 19

A = {3, 5, 7, 11, 13, 17, 19}

cardinal NUMBER of A = 7

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