Question

Q7: Represent the following sets in Roster form:
1) {X:X is a prime number less than 20}
2) {X:X is a prime factor of 70}
Q8: Write the following in set builder form:


1) {September, April, June, November)
2) {24, 32, 40, 48, 56, 64}​

Answer 1

Answer:

here are the answers

Step-by-step explanation:

1)A={1,2,3,5,7,11,13,17,19}

2)B={7,2,5}

2nd main

1)X:X is a month in a year

2)x:x is a multiple of 8 ,16 <x <72