Question

2) A = {x / x is prime number and 10 < < 20} How to write this set in roster form?

a) {11, 13, 15, 17, 19} b) {12, 14, 16, 18, 20}

c) {11, 13, 17, 19} d) {11, 13}​

Answer 1

Answer:

c){11,13,17,19}

Step-by-step explanation:

option a is not possible as 15 is not a prime number

option b is not possible as all the numbers are prime

option d is not possible as 17 and 19 are also prime numbers smaller than 20 but they are not included in option d