Question

Express the following sets in roster form.
1. All odd primes between 𝟐 and 𝟏𝟓
2. Set of letters in the word “character”
3. Set of factors of 𝟏𝟐

Answer 1

1. 𝑷={𝟑, 𝟓, 𝟕, 𝟏𝟏, 𝟏𝟑}
2. 𝑳={𝑪, 𝑯, 𝑨, 𝑹, 𝑻, 𝑬}
3. 𝑭= {𝟏, 𝟐, 𝟑, 𝟒, 𝟔, 𝟏𝟐}